为什么提示删除失败??帮忙看一下是不是写错了，别的都可以只有这个不行

[zxcv2000]

帮忙

[zhpfeiqq]

我傻
看不懂你在说什么
-_-!

[amandag]

[Quote=引用 2 楼 zhpfeiqq 的回复:]
我傻
看不懂你在说什么
-_-!
[/Quote]

[一品梅]

[Quote=引用 2 楼 zhpfeiqq 的回复:]
我傻
看不懂你在说什么
-_-!
[/Quote]

[wdgphc]

-_-!

[zxcv2000]

代码如下
public partial class Admin114_jtinfo_info : System.Web.UI.Page
{
private string selectValues = "";
public string Id;
public int status = 0;
protected void Page_Load(object sender, EventArgs e)
{
Id = this.Page.Request.QueryString["id"].ToString();
this.SareaDropDownList.SelectedIndexChanged += new EventHandler(SareaDropDownList_SelectedIndexChanged);
this.LareaDropDownList.SelectedIndexChanged += new EventHandler(LareaDropDownList_SelectedIndexChanged);
this.FareaDropDownList.SelectedIndexChanged += new EventHandler(FareaDropDownList_SelectedIndexChanged);
PopdomByLogin pop = new PopdomByLogin();
SessionAdmin.islogined();
SessionAdmin SA = SessionAdmin.getSession();
ViewState["username"] = SA.username;
ViewState["AreaId"] = SA.AreaId;
lbl_address.Visible = false;
lbl_area.Visible = false;
lbl_introduction.Visible = false;
lbl_name.Visible = false;
lbl_phone.Visible = false;
lbl_spell.Visible = false;
if (!pop.IsCanControlThisPage("06032"))
btnsave.Visible = false;
this.Page.Title = "实用信息";

if (!IsPostBack)
{
ViewState["image"] = "";
ViewState["oldname"] = "";
ViewState["cityid"] = "";
ViewState["countyid"] = "";
if (this.Page.Request.QueryString["id"] != null && this.Page.Request.QueryString["id"].ToString() != "")
{　
BindDate();
BindDropDownList();
}
else
{
BindDropDownList();
}
}
}
protected void BindDate()
{
SqlConnection conn = new SqlConnection(EroomDataConn.CONNECTIONSTR);
conn.Open();
SqlDataAdapter sda1 = new SqlDataAdapter("select a.messagename,a.spell,a.image,b.tel,b.address,b.memo,c.defaultimage,a.cityid,a.countyid ,b.worktime ,b.ConsumeType from tb_message a,tb_jt_info b,tb_subcolumn c where a.id='" + this.Page.Request.QueryString["id"] + "' and a.id=b.messageid and a.subcolumnid=c.id ", conn);
DataSet ds = new DataSet();
sda1.Fill(ds, "basic");
conn.Close();
txtmessagename.Text = ds.Tables[0].Rows[0][0].ToString();
txtspell.Text = ds.Tables[0].Rows[0][1].ToString();
ViewState["oldname"] = ds.Tables[0].Rows[0][0].ToString();
ViewState["cityid"] = ds.Tables[0].Rows[0][7].ToString();
ViewState["countyid"] = ds.Tables[0].Rows[0][8].ToString();
area a = new area();
if (ViewState["countyid"] != null && ViewState["countyid"].ToString () !="")
selectValues = a.areaid(ViewState["countyid"].ToString());
else
selectValues = a.areaid(ViewState["cityid"].ToString());
if (ds.Tables[0].Rows[0][2] != null && ds.Tables[0].Rows[0][2].ToString() != "")
{
imgshow.ImageUrl = "upfile/" + ds.Tables[0].Rows[0][2].ToString();
ViewState["image"] = ds.Tables[0].Rows[0][2].ToString();
}
else
{
imgshow.ImageUrl = "images/" + ds.Tables[0].Rows[0][6].ToString();
}
txtphoneno.Text = ds.Tables[0].Rows[0][3].ToString();
txtaddress.Text = ds.Tables[0].Rows[0][4].ToString();
txtintroduction.Text = ds.Tables[0].Rows[0][5].ToString();
worktime.Text = ds.Tables[0].Rows[0][9].ToString();
cost.SelectedValue = ds.Tables[0].Rows[0][10].ToString();

}

[zxcv2000]

数据库操作
SqlConnection con = new SqlConnection(constr);
con.Open();
SqlCommand cmd = new SqlCommand(cmdstr, con);
try
{
cmd.ExecuteNonQuery();
con.Close();
BindData();
DBLog.logAdmin_success(ViewState["username"].ToString(), "", DBLog.LOGTYPE_DELETE, logstr, "删除成功", DBLog.FLAG_SUCCESS, Request.UserHostAddress);
Response.Write("<script language=javascript>alert('删除成功');</script>");
}
catch (Exception err)
{
DBLog.logAdmin_Fail(ViewState["username"].ToString(), "", DBLog.LOGTYPE_DELETE, logstr, "删除失败", DBLog.FLAG_FAIL, Request.UserHostAddress);
Response.Write("<script language=javascript>alert('删除失败');</script>");
}
finally
{
con.Close();
}

[lcdsda]

提示删除失败就肯定是捕获到异常，
try那里设置断点，单步调试，看看到运行到哪一步时候异常，在看看捕获到的异常（err）是什么，从这两个大概就可以判断出错在哪里了

[格拉]

[Quote=引用 8 楼 lcdsda 的回复:]
提示删除失败就肯定是捕获到异常，
try那里设置断点，单步调试，看看到运行到哪一步时候异常，在看看捕获到的异常（err）是什么，从这两个大概就可以判断出错在哪里了
[/Quote]

[xiaoqiuwyh]

设断点进行调试.