EdmFunctions.Substring(DbExpression, DbExpression, DbExpression) Method
Definition
Important
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Creates a DbFunctionExpression that invokes the canonical 'Substring' function with the specified arguments, which must have a string and integer numeric result types. The result type of the expression is string.
public static System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression Substring (this System.Data.Entity.Core.Common.CommandTrees.DbExpression stringArgument, System.Data.Entity.Core.Common.CommandTrees.DbExpression start, System.Data.Entity.Core.Common.CommandTrees.DbExpression length);static member Substring : System.Data.Entity.Core.Common.CommandTrees.DbExpression * System.Data.Entity.Core.Common.CommandTrees.DbExpression * System.Data.Entity.Core.Common.CommandTrees.DbExpression -> System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression<Extension()>
Public Function Substring (stringArgument As DbExpression, start As DbExpression, length As DbExpression) As DbFunctionExpressionParameters
- stringArgument
- DbExpression
An expression that specifies the string from which to extract the substring.
- start
- DbExpression
An expression that specifies the starting index from which the substring should be taken.
- length
- DbExpression
An expression that specifies the length of the substring.
Returns
A new DbFunctionExpression that returns the substring of length length from stringArgument starting at start.
Applies to
Entity Framework