DataTableMappingCollection.RemoveAt Method

Definition

Namespace:
System.Data.Common
Assembly:
System.Data.Common.dll
Assembly:
System.Data.dll
Assembly:
netstandard.dll

Removes the specified DataTableMapping object from the collection.

Overloads

RemoveAt(Int32)

Removes the DataTableMapping object located at the specified index from the collection.
RemoveAt(String)

Removes the DataTableMapping object with the specified source table name from the collection.

RemoveAt(Int32)

Removes the DataTableMapping object located at the specified index from the collection.

public:
 virtual void RemoveAt(int index);
public void RemoveAt (int index);
abstract member RemoveAt : int -> unit
override this.RemoveAt : int -> unit
Public Sub RemoveAt (index As Integer)

Parameters

index
Int32

The zero-based index of the DataTableMapping object to remove.

Implements

RemoveAt(Int32)

Exceptions

IndexOutOfRangeException

A DataTableMapping object does not exist with the specified index.

Examples

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

public void RemoveDataTableMapping()
{
    // ...
    // create mappings
    // ...
    if (mappings.Contains(7))
        mappings.RemoveAt(7);
}

Public Sub RemoveDataTableMapping()
    ' ...
    ' create mappings
    ' ...
    If mappings.Contains(7) Then
        mappings.RemoveAt(7)
    End If
End Sub

Applies to

RemoveAt(String)

Removes the DataTableMapping object with the specified source table name from the collection.

public:
 virtual void RemoveAt(System::String ^ sourceTable);
public void RemoveAt (string sourceTable);
abstract member RemoveAt : string -> unit
override this.RemoveAt : string -> unit
Public Sub RemoveAt (sourceTable As String)

Parameters

sourceTable
String

The case-sensitive source table name to find.

Implements

RemoveAt(String)

Exceptions

IndexOutOfRangeException

A DataTableMapping object does not exist with the specified source table name.

Examples

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

public void RemoveDataTableMapping()
{
    // ...
    // create mappings
    // ...
    if (mappings.Contains("Categories"))
        mappings.RemoveAt("Categories");
}

Public Sub RemoveDataTableMapping()
    ' ...
    ' create mappings
    ' ...
    If mappings.Contains("Categories") Then
        mappings.RemoveAt("Categories")
    End If
End Sub

Applies to