asp.net修改代码问题

public partial class administrator_Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.QueryString["id"] != null)
            {
                this.binddata();
            }
            else
            {
                Response.Redirect("loginin.aspx");
            }
        }
    }

    protected void binddata()
    {
        if (Request.QueryString["id"].ToString() != null)
        {
            int hid = Convert.ToInt32(Request.QueryString["id"].ToString().Trim());
            string strsql = string.Format("select * from jiazhiqixi where id={0}", hid);
            DataSet ds = Helper.ExecuteDataSet(strsql);
            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                this.txtNewsTitle.Text = dr["title"].ToString();
                this.FCKeditor1.Value = dr["content"].ToString();
                Response.Write(dr["title"].ToString());
            }
        }

    }

    private void updatadata()
    {
        int id = Convert.ToInt32(Request.QueryString["id"].ToString().Trim());
        string title = this.txtNewsTitle.Text;
        string content = this.FCKeditor1.Value;
        string strsql12 = string.Format("update jiazhiqixi set title='{0}'',content='{1}' where id={2}", title, content, id);
        try
        {
            Helper.ExecuteNonQuery(strsql12);
            Response.Write("<script>alert('修改成功')</script>");
            Response.Write("<script>location.href='jiazhiqixi.aspx'</script>");
        }
        catch
        {
            Response.Write("<script>alert('请确定你编辑的内容')</script>");
        }  
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        if (Request.QueryString["id"].ToString().Trim() != null)
        {
            updatadata();
            Response.Redirect("jiazhiqixi.aspx");
        }       
    }
}可以得到文件，但是修改不成功！麻烦各位帮忙看看

追问：额晕，大意，谢谢了

答案：        string strsql12 = string.Format("update jiazhiqixi set title='{0}'',content='{1}' where id={2}", title, content, id);
 
        string strsql12 = string.Format("update jiazhiqixi set title='{0}',content='{1}' where id={2}", title, content, id);
 
看看是不是这出错了。
Helper.ExecuteNonQuery(strsql12);这句代码应该有返回值吧，定义个变量接收一下返回值，在此行插入断点，调试一下，看看提示什么错误
 if (!IsPostBack)改成 if (IsPostBack)试试

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