datagridview 数据处理方法 修改 删除 添加 下拉类表 弹出窗口

frm.Controls["USER_NAME_TB"].Text = user_name;

frm.Controls["USER_SEX_TB"].Text = user_sex;

frm.ShowDialog(); //显示子窗口

//给输出参数赋值默认值

outUserid = user_id;

outUserpassword = user_password;

outUserclass = user_class;

outUsername = user_name;

outUsersex = user_sex;

//判断是否进行修改数据

myresult = frm.DialogResult;

if(myresult==DialogResult.OK)

{

//outUserid= frm.Controls["ID_TB"].Text;

outUserid= frm.Controls["USER_ID_TB"].Text ;

outUserpassword= frm.Controls["USER_PWD_TB"].Text ;

outUserclass= frm.Controls["USER_CLASS_CB"].Text ;

outUsername= frm.Controls["USER_NAME_TB"].Text ;

outUsersex= frm.Controls["USER_SEX_TB"].Text;

MessageBox.Show("修改了数据");

}

else

{

MessageBox.Show("没有修改数据！！");

}

frm.Dispose();

}

int selectrowindex = -1;

private void button2_Click(object sender, EventArgs e)

{

if(selectrowindex<0)

{

MessageBox.Show("请先选择一条记录数据！！");

return;