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

string mysql = "delete from user_tb1 where ID=" + myid.ToString(); DataOperate dataoperate = new DataOperate(); dataoperate.getCom(mysql);

MessageBox.Show("删除数据成功");

//加载数据

mysql = "select * from sql3 ";

DataSet ds = dataoperate.getDs(mysql, "sql3");

dataGridView1.DataSource = ds.Tables[0];

/* //获取总页码 SELECT Count(id) AS number1 FROM user_tb1;

mysql = "SELECT Count(id) AS number1 FROM user_tb1 ";

DataSet ds = dataoperate.getDs(mysql, "user_tb1");

int indexsum = int.Parse(ds.Tables[0].Rows[0][0].ToString());

if (indexsum % pagesize == 0)

label5.Text = (indexsum / pagesize).ToString();

else

label5.Text = (indexsum / pagesize + 1).ToString();

pagesum = int.Parse(label5.Text);

//显示当前页面

try

{

button5_Click(sender, e); //刷新当前页面

}

catch (Exception)

{

throw;

}

*/

}

//

}

}

弹出窗口代码

using System;