C# 删除 SQL 绑定 datagridview 中的单行

Question

我尝试了许多解决方案，声明只删除了一行，但在我的 VS2017 C# 中，从所选行到 DataGridView 末尾的所有行都被删除。如果我有 5 行并删除了第 4 行，则第 4 行和第 5 行都将被删除。我可以毫无问题地添加行，我可以删除表并创建表，但删除单行数据似乎不可行。

请帮忙，我已经在这几天了......

private void DDataTable_UserDeletedRow( object sender, DataGridViewRowEventArgs e )
{
  try
  {
    // Want the last operation to be completed
    dbDataSetBindingSource.EndEdit();
    //dbTableAdapter.Update( dbDataSet );

    if ( selectedCellRow > 0 )
    {
      DataRowView drv = ( DataRowView )dbDataSetBindingSource.Current;
      DataRow drToDelete = drv.Row;
      dbDataSet.MyTable.Rows.Remove( drToDelete );
    // This removed all remaining rows
    //  DDataTable.Rows.Remove( this.DDataTable.SelectedRows[ 0 ] );
    // This removed all remaining rows 
    //  dbDataSetBindingSource.RemoveCurrent();
    // This gave an error "Can't remove items not in the list?
    //  dbDataSetBindingSource.Remove( selectedRowStr );

      dbDataSetBindingSource.EndEdit();
      dTableAdapter.Update(dbDataSet);
    }
    else
      MessageBox.Show( "Error in delete row, bad index." );
  }
  catch (Exception ex)
  {
  //  CancelEventArgs myE = new CancelEventArgs();
  //  DDataTable_Validating( sender, myE );
    string myStr = "Error in deleting row\n" + ex.Message;
    MessageBox.Show( myStr, "User Delete a Row" );
  }
}

Answer 1

您可以调用drToDelete.Delete()，然后调用dbDataSet.MyTable.AcceptChanges();更新数据集

或者你可以直接打电话：

dbDataSet.MyTable.Rows.RemoveAt(dbDataSetBindingSource.Position);

希望这会有所帮助。