EdmFunctions.ToLower Method (DbExpression)

 

Creates a DbFunctionExpression that invokes the canonical 'ToLower' function with the specified argument, which must have a string result type. The result type of the expression is also string.

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

public static DbFunctionExpression ToLower(
	this DbExpression stringArgument
)

Parameters

stringArgument
Type: System.Data.Entity.Core.Common.CommandTrees.DbExpression

An expression that specifies the string that should be converted to lower case.

Return Value

Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression that returns value of stringArgument converted to lower case.

Exception Condition
ArgumentNullException

stringArgument is null.

ArgumentException

No overload of the canonical 'ToLower' function accepts an argument with the result type of stringArgument.