EdmFunctions.Replace Method (DbExpression, DbExpression, DbExpression)

.NET Framework (current version)
 

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

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

public static DbFunctionExpression Replace(
	this DbExpression stringArgument,
	DbExpression toReplace,
	DbExpression replacement
)

Parameters

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

An expression that specifies the string in which to perform the replacement operation.

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

An expression that specifies the string that is replaced.

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

An expression that specifies the replacement string.

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression than returns a new string based on stringArgument where every occurence of toReplace is replaced by replacement.

Exception Condition
ArgumentNullException

stringArgumenttoReplacereplacement

ArgumentException

stringArgumenttoReplacereplacement

.NET Framework
Available since 4.5
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