protected void btn_Delete_Click(object sender, EventArgs e) { if (ddl_UserAD.SelectedValue == "-1") { Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('请选择用户!');</script>"); return; } int a = XmlSource.DeleteUserConfig(ddl_UserAD.SelectedItem.Text); if (a == -1) { Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('保存失败!');</script>"); } else if (a == 0) { Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('保存成功!');</script>"); #region 用户下拉列表 InitDropDownList(); try { ddl_UserAD.SelectedItem.Selected = false; } catch { } finally { ddl_UserAD.Items.FindByValue("-1").Selected = true; BindData(""); } #endregion } }