EdmFunctions.Concat Method (DbExpression, DbExpression)

.NET Framework (current version)
 
System_CAPS_noteNote

The .NET API Reference documentation has a new home. Visit the .NET API Browser on docs.microsoft.com to see the new experience.

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
Return to top
Show: