EdmFunctions.Concat(DbExpression, DbExpression) Method

Reference

Definition

Namespace:: System.Data.Common.CommandTrees.ExpressionBuilder

Assembly:: System.Data.Entity.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Creates a DbFunctionExpression that invokes the canonical 'Concat' function with the specified arguments, which must each have a string result type. The result type of the expression is string.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ Concat(System::Data::Common::CommandTrees::DbExpression ^ string1, System::Data::Common::CommandTrees::DbExpression ^ string2);

public static System.Data.Common.CommandTrees.DbFunctionExpression Concat (this System.Data.Common.CommandTrees.DbExpression string1, System.Data.Common.CommandTrees.DbExpression string2);

static member Concat : System.Data.Common.CommandTrees.DbExpression * System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression

<Extension()>
Public Function Concat (string1 As DbExpression, string2 As DbExpression) As DbFunctionExpression

Parameters

string1: DbExpression

An expression that specifies the string that should appear first in the concatenated result string.

string2: DbExpression

An expression that specifies the string that should appear second in the concatenated result string.

Returns

DbFunctionExpression

A new DbFunctionExpression that produces the concatenated string.

Exceptions

ArgumentNullException

string1 or string2 is null.

ArgumentException

string1 or string2 is invalid.

Applies to

इसके माध्यम से साझा किया गया