DataTable.RowChanged Event


The .NET API Reference documentation has a new home. Visit the .NET API Browser on to see the new experience.

Occurs after a DataRow has been changed successfully.

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

public event DataRowChangeEventHandler RowChanged

For more information, see Handling DataTable Events.

private static void DataTableRowChanged()
    DataTable custTable = new DataTable("Customers");
    // add columns
    custTable.Columns.Add("id", typeof(int));
    custTable.Columns.Add("name", typeof(string));
    custTable.Columns.Add("address", typeof(string));

    // set PrimaryKey
    custTable.Columns[ "id" ].Unique = true;
    custTable.PrimaryKey = new DataColumn[] { custTable.Columns["id"] };

    // add a RowChanged event handler for the table.
    custTable.RowChanged += new DataRowChangeEventHandler(Row_Changed);

    // add ten rows
    for(int id=1; id<=10; id++)
            new object[] { id, string.Format("customer{0}", id), 
            string.Format("address{0}", id) });


    // change the name column in all the rows
    foreach(DataRow row in custTable.Rows)
        row["name"] = string.Format("vip{0}", row["id"]);


private static void Row_Changed(object sender, DataRowChangeEventArgs e)
    Console.WriteLine("Row_Changed Event: name={0}; action={1}", 
        e.Row["name"], e.Action);

.NET Framework
Available since 1.1
Return to top