EdmFunctions.Concat Method (DbExpression, DbExpression)

.NET Framework (current version)
 

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.

Namespace:   System.Data.Common.CommandTrees.ExpressionBuilder
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public static DbFunctionExpression Concat(
	this DbExpression string1,
	DbExpression string2
)

Parameters

string1
Type: System.Data.Common.CommandTrees.DbExpression

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

string2
Type: System.Data.Common.CommandTrees.DbExpression

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

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression that produces the concatenated string.

Exception Condition
ArgumentNullException

string1string2

ArgumentException

string1string2

.NET Framework
Available since 4.5
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