DataTableMappingCollection.Remove Method

Definition

Namespace:

System.Data.Common

Assemblies:

netstandard.dll, System.Data.Common.dll

Removes a specified object from the collection.

Overloads

Remove(DataTableMapping)	Removes the specified DataTableMapping object from the collection.
Remove(Object)	Removes the specified DataTableMapping object from the collection.

Remove(DataTableMapping)

Source:

DataTableMappingCollection.cs

Removes the specified DataTableMapping object from the collection.

C#

public void Remove(System.Data.Common.DataTableMapping value);

Parameters

value

DataTableMapping

The DataTableMapping object to remove.

Remove(Object)

Source:

DataTableMappingCollection.cs

Removes the specified DataTableMapping object from the collection.

C#

public void Remove(object? value);

Parameters

value

Object

The DataTableMapping object to remove.

Implements

Remove(Object)

Exceptions

InvalidCastException

The object specified was not a DataTableMapping object.

ArgumentException

The object specified is not in the collection.

Examples

The following example searches for a DataTableMapping within the collection. If the mapping exists in the collection, it is removed. If the mapping does not exist within the collection, it is added to the collection and its index is displayed. The example assumes that a DataTableMappingCollection collection and a DataTableMapping object have been created.

C#

public void ChangedMyMind()
{
    // ...
    // create mappings and mapping
    // ...
    if (mappings.Contains((Object) mapping))
    {
        mappings.Remove((Object) mapping);
    }
    else
    {
        mappings.Add((Object) mapping);
        Console.WriteLine("Index of new mapping: "
            + mappings.IndexOf((Object) mapping));
    }
}