我有一个ascx页面,我在其中使用一个隐藏字段来存储下拉框的值,因为它是使用Google地址查找器生成的。我的问题是,当我尝试将值直接存储在隐藏字段中时:

hfDdlVerifyID.Value = ddlVerifySS.SelectedValue;


如果单击按钮,则会存储该值,但在回发时会再次丢失。而如果我尝试使用Scriptmanager进行操作,则不会存储任何内容。

getBuild.AppendLine("$get('" + hfDdlVerifyID.ClientID + "').value = $get('" + ddlVerifySS.ClientID + ").value;");

ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "storeHidden", getBuild.ToString(), true);
//  Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "storeHidden", getBuild.ToString(), true);
string test = hfDdlVerifyID.Value.ToString();


ascx页面是:

<asp:UpdatePanel ID = ddlUpdate runat="server">
    <ContentTemplate>
         <asp:Panel ID="pVerify" runat="server">
             <br />
             <fieldset>
                 <legend>
                     <asp:Literal ID="lVerify" runat="server" />
                 </legend>
                 <asp:CheckBox
                     ID      ="cbVerify"
                     runat   ="server"
                     Text    ="Use the value from the following list, (Uncheck to accept address as it is)."
                     Checked ="true" />
                 <br />
                 <asp:DropDownList ID="ddlVerifySS" runat="server"
                     onselectedindexchanged="ddlVerifySS_SelectIndexChange" />
                 <asp:HiddenField id="hfDdlVerifyID"
                     runat   ="server" />
             </fieldset>
         </asp:Panel>
     </ContentTemplate>
 </asp:UpdatePanel>

 <padrap:Button          ID          ="bVerify"
                         runat       ="server"
                         CssClass    ="btn"
                         OnClick     ="bVerify_Click"
                         Text        ="Verify Address" />

 <asp:Button             ID          ="btnSubSite"
                         runat       ="server"
                         text        ="Save"
                         CssCLass    ="btn"
                         OnClick     ="save_btn_Click_subSite"
                         onLoad="ddlVerify_Load" />

最佳答案

您应该考虑使用Viewstate。
希望这可以帮助

http://msdn.microsoft.com/en-us/library/bb386448.aspx#Y2000

关于jquery - 隐藏字段在回发时失去其值(value),我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/2992670/

10-10 03:05