Export (0) Print
Expand All

DataColumnMappingCollection.RemoveAt Method (String)

Removes the DataColumnMapping object with the specified source column name from the collection.

Namespace:  System.Data.Common
Assembly:  System.Data (in System.Data.dll)

public void RemoveAt(
	string sourceColumn
)

Parameters

sourceColumn
Type: System.String

The case-sensitive source column name.

Implements

IColumnMappingCollection.RemoveAt(String)

ExceptionCondition
IndexOutOfRangeException

There is no DataColumnMapping object with the specified source column name.

The following example searches for a DataColumnMapping object with the given source column name within a DataColumnMappingCollection collection. If the DataColumnMapping exists, the mapping is removed. This example assumes that a DataColumnMappingCollection collection has been created.


public void RemoveDataColumnMapping() 
{
    // ... 
    // create columnMappings 
    // ... 
    if (columnMappings.Contains("Picture"))
        columnMappings.RemoveAt("Picture");
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
Show:
© 2015 Microsoft