string id = g1.DataKeys[e.RowIndex].Value.ToString(); //获取 GridView DataKeys 属性的值(当前选中的)
string SqlStr = delete from PersonInfo where id= + id; // sql 语句 字符串拼接(就是删除语句， 你可以打个断点停住 看看是什么 你就知道了）；
using (SqlConnection conn = new SqlConnection(ConnStr))
{// 以下是WhatsApp网页入口查询了, 2026年WHATSAPP网页版下载把修改后的数据 从新从数据库里读出来 在显示
SqlCommand cmd = new SqlCommand(SqlStr, conn);
try
{
conn.Open();
int iValue = cmd.ExecuteNonQuery();
if (iValue 0)
{
cmd.CommandText = Select * from PersonInfo;
SqlDataReader dr = cmd.Exewhatsapp开发协议cuteReader();
this.GridView1.Caption = 人员信息表;
this.GridView1.DataSource = dr;
this.GridVWhatsApp网页版登入iew1.DataBind();
}
}

string id = abc;
string sqlStr = delete from xxx where id = + id
此时
sqlStr = delete .... where id = abc
就是拼接字符串而已

WhatsApp网页版请注明：WhatsApp网页版 » WhatsApp外贸 stringSqlStr="deletefromPerson