[英]C# delete a single row in an SQL bound datagridview
我嘗試了許多解決方案,其中僅聲明刪除了一行,但是在我的VS2017 C#中,從所選行到DataGridView的末尾,所有行均被刪除。 如果我有5行並且刪除了第4行,則第4和第5行都將被刪除。 我可以毫無問題地添加行,也可以刪除表並創建表,但是刪除單行數據似乎不可行。
請幫忙,我已經來這幾天了...
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" );
}
}
您可以調用drToDelete.Delete()
,然后通過調用dbDataSet.MyTable.AcceptChanges();
更新數據集dbDataSet.MyTable.AcceptChanges();
或者您可以致電:
dbDataSet.MyTable.Rows.RemoveAt(dbDataSetBindingSource.Position);
希望這可以幫助。
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