private void btnSubmit_Click(object sender, EventArgs e) { if (!txtPassword.Text.Equals("rameshpunde")) { MessageBox.Show("Invalid Password. Please try again.", "Password", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } DialogResult f = MessageBox.Show("This will erase all data including Bus data. Are you sure to continue?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (f == System.Windows.Forms.DialogResult.No) { return; } f = MessageBox.Show("This will erase all data including Bus data. Are you sure to continue?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (f == System.Windows.Forms.DialogResult.No) { return; } f = MessageBox.Show("This will erase all data including Bus data. Are you sure to continue?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (f == System.Windows.Forms.DialogResult.No) { return; } try { BusinessRules obj = new BusinessRules(); DataSet ds = obj.DeleteData(dtpCreatedFrom.Value, dtpCreatedTo.Value, chkBusRoutes.Checked, chkBuses.Checked, chkCustomers.Checked); if (ds.Tables[0].Rows[0][0].ToString() != "") { MessageBox.Show("Data erased successfully"); } } catch (Exception ex) { MessageBox.Show("Error in deleting data \n " + ex.Message, "", MessageBoxButtons.OK, MessageBoxIcon.Error); } }