0
不知道爲什麼這是如此困難,但我有是沒有單選按鈕鏈接到一個字段。當記錄被調用時,我想要在單選按鈕中選擇記錄的答案(是或否)。我的代碼無法識別單選按鈕的ID。任何幫助將不勝感激。以下是代碼。RadioButtonList DataBinding當以前檢查
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" %>
<script runat="server">
protected void frmProfiles_PageIndexChanging(object sender, FormViewPageEventArgs e)
{
RadioButton selectedRadioButton = (RadioButton)sender;
}
protected void onYesNochanged(object sender, EventArgs e)
{
if (rblYesNo.SelectedItem.Text == "yes")
;
else
;
}
</script>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
<asp:FormView
id="frmProfiles"
DataSourceID="srcProfiles"
DataKeyNames="State"
Runat="server">
<ItemTemplate>
<h1>State: <%# Eval("State") %></h1>
<b>1. Is the SMHA Director/Commissioner a member of the Governor's Cabinet?</b>
<%#Eval("O_1") %>
<br />
<br />
<br />
<br />
<asp:LinkButton
id="lnkEdit"
Text="Edit State Information"
CommandName="Edit"
Runat="server" />
</ItemTemplate>
<EditItemTemplate>
<b>1. Is the SMHA Director/Commissioner a member of the Governor's Cabinet?</b>
<br />
<br />
<asp:Label
id="lblYesNo"
DataSourceID="srcProfiles"
DataKeyNames="State"
AssociatedControlID="rblYesNo"
Runat="server" >
<asp:RadioButtonList id="rblYesNo"
Runat="server"
enabled="true"
OnSelectedIndexChanged="onYesNochanged" >
<asp:ListItem Text="Yes" Value="Yes" />
<asp:ListItem Text="No" Value="No" />
</asp:RadioButtonList >
</asp:Label>
<br /><br />
|
<asp:LinkButton
id="lnkUpdate"
Text="Update State Information"
CommandName="Update"
Runat="server" />
|
<asp:LinkButton
id="lnkCancel"
Text="Cancel Update"
CommandName="Cancel"
Runat="server" />
</EditItemTemplate>
</asp:FormView>
<br />
Click on State Initials to go to next page.<br />
<asp:GridView
id="grdState"
DataSourceID="srcNext"
ShowHeader="false"
Runat="server">
<Columns>
<asp:HyperLinkField
DataTextField="State"
DataNavigateUrlFields="State"
DataNavigateUrlFormatString="Org2.aspx?State={0}" />
</Columns>
</asp:GridView>
<asp:AccessDataSource ID="srcProfiles"
SelectCommand="SELECT State, O_1 FROM [P13Organization]
WHERE State=AG"
UpdateCommand="UPDATE [P13Organization] SET [email protected], [email protected]_1
WHERE [email protected]"
DataFile="K:\3NRI\Profiles\Profiles.mdb"
runat="server">
<SelectParameters>
<asp:QueryStringParameter
Name="State"
QueryStringField="State" />
</SelectParameters>
</asp:AccessDataSource>
<asp:AccessDataSource ID="srcNext"
SelectCommand="SELECT State FROM [P13Organization]
WHERE [email protected]"
DataFile="K:\3NRI\Profiles\Profiles.mdb"
runat="server">
<SelectParameters>
<asp:QueryStringParameter
Name="State"
QueryStringField="State" />
</SelectParameters>
</asp:AccessDataSource>
</asp:Content>
更重要的是,使用'frmProfiles.Items.FindControl( 「rblYesNo」)作爲RadioButton'然後執行一個空的檢查,所以你可以正確處理這個失敗的情況,而不是簡單地拋出一個NRE。 – 2013-05-03 21:18:22
Ant P是對的 - 我通常在if語句之前檢查rb == null – Melanie 2013-05-03 21:23:29