private void butDelete_Click(object sender, System.EventArgs e)
 {
     if (list2.SelectedIndex == -1)
     {
         MessageBox.Show(Lan.g(this, "Please select an item first."));
         return;
     }
     if (MessageBox.Show(Lan.g(this, "Delete Item?"), "", MessageBoxButtons.OKCancel) != DialogResult.OK)
     {
         return;
     }
     UserQueries.Delete(UserQueryCur);
     list2.SelectedIndex = -1;
     FillList();
     textTitle.Text    = "";
     textQuery.Text    = "";
     textFileName.Text = "";
 }
 private void butDelete_Click(object sender, System.EventArgs e)
 {
     //button is disabled for users without Query Admin permission.
     if (UserQueryCur == null)
     {
         MsgBox.Show(this, "Please select an item first.");
         return;
     }
     if (MessageBox.Show(Lan.g(this, "Delete Item?"), "", MessageBoxButtons.OKCancel) != DialogResult.OK)
     {
         return;
     }
     UserQueries.Delete(UserQueryCur);
     DataValid.SetInvalid(InvalidType.UserQueries);
     gridMain.SetSelected(false);
     UserQueryCur = null;
     FillGrid();
     textQuery.Text = "";
 }