Question

string strsql = "select * from ch where id=" + Request.QueryString["id"];

说id 不存在
但是数据表中有这个字段啊
着急，大家帮帮忙

public partial class Default3 : System.Web.UI.Page
{
BaseClass BaseClass1 = new BaseClass();
protected void Page_Load(object sender, EventArgs e)
{
string strsql = "select * from ch where id=" + Request.QueryString["id"];
DataTable dt = BaseClass1.ReadTable(strsql);
DataList1.DataSource = dt;
DataList1.DataBind();
}
如果id为定值的时候就可以显示

Answer 1

string strsql = "select * from ch where id= '" + Request.QueryString["id"] + "'";