private void Button3_Click(object sender, EventArgs e) { if (txtZHnew.Text.Trim() == "") { MessageBox.Show("请输入账号!"); txtZHnew.Focus(); return; } else if (txtPwd.Text.Trim() == "") { MessageBox.Show("请输入密码!"); txtPwd.Focus(); return; } AdministratorTable at = new AdministratorTable() { AdministratorName = txtZHnew.Text.Trim(), Password = int.Parse(txtPwd.Text.Trim()), Jurisdiction = int.Parse(cbQuan.Text.Trim()) }; if (am.AdminisreInsert(at) > 0) { MessageBox.Show("操作成功"); dgvAdministr.DataSource = am.AdministrTable(txtZH.Text.Trim()); groupBox3.Visible = false; } else { MessageBox.Show("操作失败"); } }