Type String Is Not A Subtype Of Type Datetime

1 Scope and Usage. 0E-6, or greater than or equal to 1. Re: expected type float found string Shawn Wallwork Dec 29, 2015 8:39 AM ( in response to pooja. I created a form from a database table. Format method. Similarity - Audience includes the top 1% of people in a selected country who are most similar to the seed Custom Audience. Dear frnds iam talking about assigning current date to datetime variable in yyyy-MM-dd format in asp. property_type (string) - The type of the property. body) This comment has been minimized. Returns the value of an expression converted to a supplied data type. Indicates that File items, of the type indicated by the part of of the keyword after the "file:" string, can be dropped on this element. The PARSE function is used to convert the provided string expression into the requested SQL Server data type. HTML Attributes. We are facing the following problem for weeks : flutter type 'Timestamp' is not a subtype of type 'DateTime' We want to get these user data from Cloud Firestore:. For example, if an expression’s static type is String, at runtime you are guaranteed to only get a string when you evaluate it. HR system application team has provided me with a view of all terminated employees as "VIEW_TERM_EMPL" with columns as First name, Employee code, Termination date, Manager etc. No, System is not using ApplicationPlatform or TestEssentials. I keep getting this error, String was not recognized as a valid DateTime. anything that is not number, string, boolean, bigint, symbol, null, or undefined. The easiest way of getting the string that results from type-conversion is to concatenate a value to an empty string. Last but not least there is the Unbounded-Length String. Data Types The data type of a schema is defined by the type keyword, for example, type: string. If the type of the Date property is DateTime, you need to set the value of it to a DateTime object and not a string. i tried with Datetime. The type and subtype names below are automatically defined. You will learn how to use various arguments like name, ng-true-value, ng-false-value, ng-change etc. There a host of very useful input types available including email, number, date, datetime, month, number, range, search, tel, time, url and week. NET Framework types listed in the table to a string using the ToString method, the returned string is not the base type, but the XML Schema (XSD) string type. If so, the deserialized map from json is of type Map and you have to cast each map before assigning to that list 2018-11-18 0 4. It is mandatory to designate the typeof data in the first argument, whenever the property isn’t a numerical type. Please notice that with statement parameters, you always need a full-syntax cast – shorthand casts are not supported. Could not load file or assembly 'ZappySys. Hey @Shaun_Manuel, may be there are some spaces when you are getting data from web trim that string by adding. OGC SPEC s2. when any element of input is before Timestamp. ToDateTime(value). Conversion of System. responseJson seems to be inferred as type List and expects an integer in the index accessor responseJson[intIndexhere], but AuthUtils. DateTime' [Answered] RSS 2 replies Last post Jul 11, 2014 09:54 AM by sam_xiii. If MAX_STRING_SIZE = EXTENDED, then the size limit is 32767 bytes for the VARCHAR2, NVARCHAR2, and RAW data types. We should probably include an example of parsing a Date Time String. 03/30/2017; 11 minutes to read +7; In this article. This does not work!. “Short Date”), to achieve a date-only column in your table. Copy-constructor that copies the type, subtype and parameters of the given MediaType, and allows to set the specified character set. The sample SMF report below was created with Spectrum SMF Writer, the low-cost 4GL SMF report writer. why the Operator '!=' cannot be applied to operands of type 'System. The resulting value includes the year, month, day, and time. We first look at how the structure is inferred and then demonstrate the provider by parsing data from WorldBank and Twitter. When a conversion involves month or day name, it is language setting dependent, therefore non-deterministic. HR system application team has provided me with a view of all terminated employees as "VIEW_TERM_EMPL" with columns as First name, Employee code, Termination date, Manager etc. i believe i mentioned that if i create a brand new report and use the same xsd file (or stored proc) as datasource, the data type comes in correctly. The ValueType class is a base class for all value types, which include ints, shorts, doubles, and also structs such as DateTime instances. I put the datepicker field type on that field and on submit it trows an exception "String was not recognized as a valid DateTime. SUBTYPE subtype_name IS base_type[(constraint)] [NOT NULL]; where subtype_name is a type specifier used in subsequent declarations, base_type is any scalar or user-defined PL/SQL datatype, and constraint applies only to base types that can specify precision and scale or a maximum size. With object type, APIs like Object. The meaning of the syntax above is: data matching the constraints conssists of an instance of type XXX, or any subtype allowed by the underlying information model, for which the value of attribute aaa is of type YYY, or any subtype allowed by the underlying information model, and so on, recursively until leaf level constraints are reached. Json' (How to Use Fusion Log to debug) SSIS Package works under Catalog but fails under SQL Agent Account. Your type mismatch could be because when the format occurs it returns a variable of a certain type, if you have declared something without specifying it, it is a Variant by default (which is more memory hungry), but variants are often cast as a type. Converts the specified string representation of a date and time to its DateTime equivalent and returns a value that indicates whether the conversion succeeded. This will likely result in multiple AuditEvent entries that show whether privacy and security safeguards, such as access control, are the properly functioning across an enterprise's system-of-systems. VBScript has only one data type called a Variant. A date/time string. Types are optional, and type inference allows a few type annotations to make a big difference to the static verification of your code. To get the media subtype of the MIME content-type. Q&A for Work. An enum, defined in JSchema by an array of more than one JSON string in it, must have a JSON value from the domain of those strings. Implicit type conversion, also known as coercion, is an automatic type conversion by the compiler. Any text that is not a template pattern is simply copied verbatim. This means that a string literal type is assignable to a plain string, but not vice-versa. I’m still running MySQL server version 4 but I think that on version 5, using 0000-00-00 as default value is no longer valid. False if. The Contract resource is the basal resource to convey information of all manner of contracts for financial (e. It also demonstrates how to create a type conversion calculation using an example. You can convert text from text box into DateTime object and use DateTime class methods or just subtract two DateTime objects which will give you TimeSpan objects. So, in according to the Type that you chose Dictionary[] string must look. Expected type is DateTime. DateTime types are only converted when assigned to a compatible C/AL data type. Note: elements with type="datetime" do not show as any datetime field/calendar in any of the major browsers, except Safari. We use a question mark "DateTime?" for this type. -- Create table CREATE TABLE #TestTable (ItemID INT, IsAvailable INT) -- Insert into table INSERT INTO #TestTable (ItemID, IsAvailable) SELECT 1, NULL UNION ALL SELECT 2, 1 UNION ALL SELECT 3, 1 UNION ALL SELECT 4, NULL UNION ALL. In case when it is not possible to return designated types (e. NET MVC, Products: MVC GridView, Type: Question, Subject: CS1660: Cannot convert lambda expression to type 'string' because it is not a delegate type T181204 - CS1660: Cannot convert lambda expression to type 'string' because it is not a delegate type | DevExpress Support Center. A date in Python is not a data type of its own, but we can import a module named datetime to work with dates as date objects. You will define these rules by creating a new attribute domain for lateral diameters; creating subtypes for the Laterals feature class; and associating the new domain, existing domains, and default values with fields for each subtype. And we don’t want. Current item is:. SUBTYPE subtype_name IS base_type[(constraint)] [NOT NULL]; where subtype_name is a type specifier used in subsequent declarations, base_type is any scalar or user-defined PL/SQL datatype, and constraint applies only to base types that can specify precision and scale or a maximum size. ToText(DateTime({xx_xxxxx_RPT;1. Because you are constructing a sequence of attributes, commas and parentheses are used in the XML construction. Decimal) data type. Unable to cast object of type 'System. Get-MessageTackingLog cmdlet for Exchange 2010 Returns Cannot process argument transformation on parameter ‘Start’. While the string representation of the result of JSON_OBJECT('bla', current_date) looks exactly the same like that of CAST('{"bla": "2015-11-01"}' AS JSON), they are not equivalent: in the case of JSON_OBJECT, MySQL internally attached native type information to the property which is of the type DATE (a type that does not exist in standard JSON. 1496498400) or a string representing the date & time. but here I am getting the exception not in the PODO class I am getting at json. Yet, as the DatePicker. Only composite type is allowed as Top-level Element in a data dictionary. parse methods, e. A DATE value does not represent a specific 24-hour time period. It can be updated and changed after the users creation. net--I wanted to change some text boxes I had to date time pickers--and I also turned on option strict and fixed all of those bugs already. A sample Collections hierarchy. It will just convert (coerce) the string to the lower case version of its first character and then the subtype declaration we saw earlier will apply its constraint where { $_ eq 'f' or $_ eq 'm' }. Hi! I have a problem with parsing of an empty xsd:datetime object when calling a webservice on a tomcat. Conformant XLIFF Documents must be valid instances of the official Core XML Schema that is part of this XLIFF specification. Optimize your audience for "Similarity" or "Greater reach". TimeSeries data type The TimeSeries data type is constructed from a row data type and is a collection of row subtypes. This section only covers the most basic features associated with types in JSON-LD. For example, the data type NUMBER has a subtype called INTEGER. After creating an instance of the Date object, you can access all the methods of the object from the "my_date" variable. Use CDate to convert a string to a date/time. Insurance policies), business arrangements (eg. I'll cover the following topics in the code samples below: SQL ServerDateTime, Nvarchar, Varchar, VB. subtype Anonymous_String_Type is String (1. When I run the site it works fine, but isn't the whole point of using the lambda instead of magic strings so I can get accurate design time errors?. String and System. The internal normalized representation of this type is an array, not a \DateTime object. DropDownLi. NET, and Application. The meaning of the syntax above is: data matching the constraints conssists of an instance of type XXX, or any subtype allowed by the underlying information model, for which the value of attribute aaa is of type YYY, or any subtype allowed by the underlying information model, and so on, recursively until leaf level constraints are reached. 0 type providers were still in beta version, I wrote a couple of type providers as examples for talks. Subscribe to this blog. MinValue field. This is because when indexing with a number , JavaScript will actually convert that to a string before indexing into an object. AngularJS is what HTML would have been, had it been designed for building web-apps. 10, “Server SQL Modes”. textgen error: type int is not a subtype of string Follow. The CSV type provider takes a sample CSV as input and generates a type based on the data present on the columns of that sample. With object type, APIs like Object. x, to save binary data it must be wrapped as an instance of bson. I'm trying to convert 3 date dropdowns I have inside my create userwizard to a date format to post online, but I get Cannot convert type 'string' to 'System. This layer allows you to concentrate any changes to the data types in one location. You can also specify the type as System. A sound type system means you can never get into a state where an expression evaluates to a value that doesn’t match the expression’s static type. While date and time arithmetic is supported, the focus of the implementation is on efficient member extraction for output formatting and manipulation. A sound type system means you can never get into a state where an expression evaluates to a value that doesn’t match the expression’s static type. With static typing, the datatype of a value is determined by its container - the particular column in which the value is stored. 1 assertion support. js and Moment. Dim s As String = TryCast(o, String) Dim d As DateTime = TryCast(o, DateTime). It can be updated and changed after the users creation. After I enter the key, I am able to directly change the data type of the columns to Date/Time. Date validation is not working stackoverflow. new Date(2017, 2, 17, 10, 49, 21) without the quotes. As mentioned above, type conversion to a string most often results from the action of the + operator whenever one of its operators in not a number. Each value which is manipulated by Oracle Database has a data. A subtype declaration does not define a new type. Void Type and NULL Constant Syntactically the void type is a fundamental type along with types of char, uchar, bool, short, ushort, int, uint, color, long, ulong, datetime, float, double and string. Type: String timezone Type: String Valid time zone values for the timezone argument are the time zones of the Java TimeZone class that correspond to the time zones returned by the TimeZone. utcoffset(d) does not return None. The time and datetime-local input types support time and date+time input. When I run the site it works fine, but isn't the whole point of using the lambda instead of magic strings so I can get accurate design time errors?. net; HELP!! The conversion of a varchar type to a datetime data type resulted in Conversion from string to type integer. Welcome to the sample Cheese Store API reference. Constants of the date and time can be represented as a literal string, which consists of 6 parts showing the numerical value of the year, month, day (or. Re: how to populate data having date/time data type from file to oracle table having timestamp data type chandarc Apr 13, 2014 3:38 AM ( in response to EC112724 ) Please check the Datatype which is showing in the Source and the Source Qualifier. Subtypes provide a layer of abstraction between variables and parameters and the data types that they use. NET Framework Forums on Bytes. and 'Is' operator does not accept operands of type 'Date'. The DATE, TIME and TIMESTAMP data types are used to work with data containing dates and times. We use a question mark "DateTime?" for this type. Notably, when dealing with time and timezones, there are differences in whether the datetime is returned with a UTC (GMT) timezone, or is offset and returned in local time. The following date/time formats can be used when parsing a string into a date/time type and converting a date/time type value into a string value. A subtype is a data type that is a subset of another data type, which is its base type. User-defined data types can be defined by a standard, by an implementation, or by an application. The sample SMF report below was created with Spectrum SMF Writer, the low-cost 4GL SMF report writer. Because timeago plugin need data in DateTime object format. PsychoPath is the only known open-source java XPath 2. [Flutter][JSON Decode] type '_InternalLinkedHashMap' is not a subtype of type 'Map' in type cast. The DATE type represents a logical calendar date, independent of time zone. Although string. create can be better represented. Looking at the definition of subtypes above this is not really possible. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Split returns an array of strings, then theTickData[0] will be a string; you are using foreach on a string, whereas it should be used for collections. The best way to handle at the initial point is to check the string for either null or empty string like this,. When an utterance has a date or time that isn't complete, LUIS includes both past and future values in the endpoint response. For example, if Var contains a space followed by a letter, it is not considered to be alpha. Convert the column type from string to datetime format in Pandas dataframe While working with data in Pandas, it is not an unusual thing to encounter time series data and we know Pandas is a very useful tool for working with time series data in python. I put the datepicker field type on that field and on submit it trows an exception "String was not recognized as a valid DateTime. Hey as you suggested that was a informative article about the PODO classes in dart. toString etc, but it's easy to have one single entry point. In a mixed type expression, a subtype s will be converted into a supertype t or some subtypes s 1 , s 2 , will be converted to a supertype t (maybe none of the s i is of type. We recommend you use full time zone names, not the three-letter abbreviations. You will learn how to use various arguments like name, ng-true-value, ng-false-value, ng-change etc. Globalization Summary Represents information about a specific culture including the names of the culture, the writing system, and the calendar used, as well as access to culture-specific objects that provide methods for common operations, such as formatting dates and sorting strings. Declarative templates with data-binding, MVC, dependency injection and great testability story all implemented with pure client-side JavaScript!. Welcome to the sample Cheese Store API reference. Not only does this date and time format cause the DateTime type cast to fail on some month/day configurations, what's worse is that the string "02/06/2016 15:14:03" could be considered February 6th and not June 2nd. For example, if you need to store dates and times, you set a field to the Date/Time data type. Hi I need your help. If accepts a string containing the timestamp and a format string containing the format codes representing the date time elements in date_string. HR system application team has provided me with a view of all terminated employees as "VIEW_TERM_EMPL" with columns as First name, Employee code, Termination date, Manager etc. In difference to other relational databases, like Microsoft SQL Server or Oracle Database, it’s embedded. type-declaration –› type identifier is type-indication ‘;’ subtype-declaration –› subtype identifier is subtype-indication ‘;’ subtype-indication, type-indication –›. From iso type date string where with order year-month-day eg. Casting a Character String to a Number. The conversion of a varchar data type to a datetime data type resulted in an out-of-range value. So it helps to know about all the different options. XmlDocumentWrapper; The component metadata for "" could not be upgraded to the newer version of the component. In my import I could have used something like: import datetime as dt. Let’s say, you have given a CSV file that contains some data in which one of the column is about time and the time is nothing but a string here like time=”10-9-2018 11:46:59″. I get : Conversion from string "22/09/2010" to type 'Date' is not valid. Is there a simple way to convert a data field that has be defined as a string into an actual datetime? Cannot implicitly convert type 'string' to 'System. The DATE, TIME and TIMESTAMP data types are used to work with data containing dates and times. " i have checked and it has nothing to do with the data types in the db. 2 will not, and clang uses the gcc library by default. The subtype BIT_NEW is a resolved version of the type BIT due to the reference to a resolution function RESOLVE_VALUE specified earlier. In the following example the length is calculated from command. Date/time values (timestamps). Cannot convert value to type “System. Objects of the datetime type represent a date and a time in some timezone. Note that this will not change the serialization format, only the schema for the member. The resulting value includes the year, month, day, and time. False if there are any digits, spaces, tabs, punctuation, or other non-alphabetic characters anywhere in the string. type: string default: null. I'm trying to add a new record to my database but i keep getting the message - "conversion from type DBnull to type string is not valid". Retail Scheduler Job – Apply failed | The given value of type String from the data source cannot be converted to type datetime of the specified target column Hi Guys, Hope you all are keeping up with RetailDAXing. getting-started. [Flutter][JSON Decode] type ‘_InternalLinkedHashMap’ is not a subtype of type ‘Map’ in type cast. Until we fix it, you will have to use JavaScript date constructors. You can cast strings or numeric values to decimals, even if they contain decimal points. ToDateTime(value1). A variable that has date/time data type hold value call datetimes. We recommend you use full time zone names, not the three-letter abbreviations. Dim s As String = TryCast(o, String) Dim d As DateTime = TryCast(o, DateTime). Following are Date/Time data types in Oracle SQL. Bit strings can be converted to other bit strings, but not character strings. Union type subtype reduction only removes a class type if it is a subclass of and derives from another class type in the union. DateTime date = DateTime. consent directives). All formatting can be done also using DateTime. All that being said, the String section is as good a place to put it as the Number section. gandhi ) You're going to need to take the SUM() out of there, or wrap it in an LOD. Table 9-22 shows the template patterns available for formatting date and time values. Type Eight Overview. One of the new changes being introduced in HTML5 is the support for date/time as a first class input element type. Subtypes provide a layer of abstraction between variables and parameters and the data types that they use. An enum type in Java is a special data type that helps you to define a list of predefined constants which can be accessed using a variable. DateTime types are only converted when assigned to a compatible C/AL data type. This is right as our new type will be a string that can only accept the strings 'm' or 'f'. textgen error: type int is not a subtype of string Follow. body) This comment has been minimized. For data types of date, time, and timestamp, you can optionally specify a format string. Split returns an array of strings, then theTickData[0] will be a string; you are using foreach on a string, whereas it should be used for collections. The code will find the column names based on their data type. A data type also specifies the possible values for that type, the operations that can be performed on that type and the way the values of that type are stored. cast does not allow you to specify any formatting style in the expression. The best way to handle at the initial point is to check the string for either null or empty string like this,. Notice that Get-Member and GetType() will display the current datatype but do not indicate if it is static or variant. Knowing you have a single algorithm (building pairs) and that you have only a single generic class that implements the Node interface, it is quite elegant to just ask the abstract Node class for some help. You need to provide the PARSE function with the string value that will be converted, the target data type that the provided value will be converted to, in addition to the culture, which is an optional string that specifies the culture, any language supported by the. So to call the strptime function I'd need to use: dt. 0E-6, or greater than or equal to 1. Implicit conversion from data type datetime to int is not allowed. everyoneloves__bot-mid-leaderboard:empty{. 1 os http://docs. Notice how the type that typeid considers for pointers is the pointer type itself (both a and b are of type class Base *). Time = Convert. consent directives). 1984-06-05 12:15:30). Input Datetime Object. date to a valid id from the Question table like the code bellow. To address these difficulties, we recommend using date/time types that contain both date and time when using time zones. It is mandatory to designate the typeof data in the first argument, whenever the property isn’t a numerical type. The Nullable structure is using a value type as a nullable type. For example, you can extract substrings from string variables but not from numeric variables. Use the CONVERT function to run this query. As mentioned above, type conversion to a string most often results from the action of the + operator whenever one of its operators in not a number. From iso type date string where with order year-month-day eg. Note that PL/SQL scalar data types include SQL data types and its own data type such as Boolean. Cannot convert value "16/06/2016 15:14:03" to type "System. Valid formats are explained in Date and Time Formats. A string literal type can be considered a subtype of the string type. The result is a string using different separator characters, order of fields, spelled-out month names, or other variation of the date/time string representation. Therefore, the data_class option is initialized to null to avoid the FormType object from initializing it to \DateTime. I executed the query: ALTER TABLE MyTable ALTER Column MyColumn DATETIME NULL It works. Here is an example:. This is a. Use {@link #DOMAIN_ALREADY_EXISTS_1} instead. For example, if the nullableType parameter is the type of Nullable in C# ( Nullable(Of Int32) in Visual Basic), the return value is the type of Int32 (that is, the type argument of the closed generic type). Date to store Date, Time and DateTime using Hibernate Annotations or XML Mappings. For instance, a stack (which is an abstract type) can be implemented as an array (a contiguous block of memory containing multiple values), or as a linked list (a set of non-contiguous memory blocks linked by pointers ). Any multipart subtypes that an implementation does not recognize should be treated as being of subtype "mixed". For example, you can convert numbers to strings, such as age values (numbers) to string values so that Tableau does not try to aggregate them. Like strings, dates and times are represented using special types, and so deserve some attention. One among the common way to get date part from datetime is t use DATEADD along with DATEDIFF to remove the time part of the variable. A variable that has date/time data type hold value call datetimes. tzinfo is not None and d. Why not just use the Settings/Code Datatypes menu and then select C# you can add DateTime (you can add a UML platform independent map, say Date, as well) string should already be there Now when C# is the language for an element DateTime will be in the dropdown list. Checking types in Javascript is a big mess. 255 character maximum. encoding) value = str (value) # string must never be longer than 32,767 characters # truncate if necessary value = value [: 32767] if next (ILLEGAL. 3 certainly has the DATEPARSE function -- see the link above for more details on why you may not see it. For example, are conversions from smaller to larger integral types and conversions from derived classes to base classes. Even though OLE DB documentation – for instance, the Data Type Support for OLE DB Date/Time Improvements article on MSDN (also available for SQL Server versions 2008 and 2008 R2) – suggests that the OLE DB DBTIMESTAMP be used for SQL Server DATETIME or SMALLDATETIME values, this data type does not seem to be supported in the Execute SQL Task. If you need array please use square brackets in json string - '[ array items ]'. anything that is not number, string, boolean, bigint, symbol, null, or undefined. Cannot convert value "16/06/2016 15:14:03" to type "System. So long as you do not vary the type argument, the subtyping relationship is preserved between the types. Let us define a customer record:. Flutter MethodChannel nested values: 'List' is not a subtype of type 'FutureOr>>'. These are pre-built entities provided by Dialogflow in order to facilitate handling the most popular common concepts. A subtype further defines a base type by restricting the value or size of the base data type. h must be included in your source (note that this is not included by Python. Please Suggest me!!! ERROR in SSRS Cannot compare data types of System. Invalid DATE, DATETIME, or TIMESTAMP values are converted to the “ zero ” value of the appropriate type ('0000-00-00' or '0000-00-00 00:00:00'), if the SQL mode permits this conversion. The below timeline breaks down an average day, using the datetime data type. build ();. so there is no way to assign a null value. build ();. Users of Python 3. The DATE, TIME and TIMESTAMP data types are used to work with data containing dates and times. You are doing exactly this a few lines further down, so you can just remove the code line which throws the error:. This is another reason why the use of datetime strings is not recommended. Applies to property or method Op DateTime (Symfony Docs). A data type specifies a particular type of data, such as integer, floating-point, Boolean etc. Constants of the date and time can be represented as a literal string, which consists of 6 parts showing the numerical value of the year, month, day (or. There's currently no support for containers within containers. You can convert text from text box into DateTime object and use DateTime class methods or just subtract two DateTime objects which will give you TimeSpan objects. It receives a nullable DateTime, and uses HasValue and Value to test it. Following are Date/Time data types in Oracle SQL. The mi_datetime data type cannot fit into an MI_DATUM. When a type can be assigned null it is called nullable, that means the type has no value. Date/time inputs sound convenient at first glance; they provide an easy UI for choosing dates and times, and they normalize the data format sent to the server, regardless of the user's locale. The DataBlade API supports the SQL DATETIME data type with the mi_datetime data type. Libino Giffrin 5-Apr-17 7:02am The above code is running ,plz check it. ToDateTime(value1);. Often you may need to use a simple function that is already provided by standard Java libraries, but for which a user defined functions (UDF) has not been written. This section describes their characteristics, how they are similar, and how they differ. Like the java. In most cases the BLOB type cannot be casted to and from other types. Each value which is manipulated by Oracle Database has a data. parse is not working in lenq query. When not supported, the browser defaults to the text input type. Angular Date Time Picker. decode(response. Print statement shows a map coming through. 1 - Returns the name of the instantiable subtype of Geometry of which this Geometry instance is a member. 1 of the XML Localization Interchange File Format (XLIFF). Most of time, we get a date in form of a string and we usually need to parse to a DateTime object to perform some operations like date difference, weekday, month name, formatting and so on. That means when the type of a value is object, a type checker will reject almost all operations on it, and assigning it to a variable (or using it as a return value) of a more specialized type is a type. Some languages allow, or even require compilers to provide coercion. NET MVC, Products: MVC GridView, Type: Question, Subject: CS1660: Cannot convert lambda expression to type 'string' because it is not a delegate type T181204 - CS1660: Cannot convert lambda expression to type 'string' because it is not a delegate type | DevExpress Support Center.