Passing Multiple Fields With GridView HyperLink Column

//1.涂聚文

<asp:GridView ID="gvCategories" runat="server" >


<Columns>


<asp:HyperLinkField DataTextField="CategoryName" DataNavigateUrlFields="CategoryID,CategoryName,Description" DataNavigateUrlFormatString="~/Learning.aspx?categoryID={0}&categoryName={1}&description={2}" />


</Columns>


</asp:GridView>

//2.涂聚文

<asp:GridView ID="GridView1" runat="server" HorizontalAlign="Center" 
AutoGenerateColumns="False" DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="SchedName" HeaderText="SchedName" 
SortExpression="SchedName" />
<asp:BoundField DataField="ActivityDate" HeaderText="ActivityDate" 
ReadOnly="True" SortExpression="ActivityDate" />
<asp:BoundField DataField="By" HeaderText="By" SortExpression="By" />
<asp:BoundField DataField="Activity" HeaderText="Activity" ReadOnly="True" 
SortExpression="Activity" />
<asp:BoundField DataField="FirstListing" HeaderText="FirstListing" 
SortExpression="FirstListing" />
<asp:TemplateField HeaderText="OncallStart" SortExpression="OnCallStart"> 
<ItemTemplate> 
<asp:HyperLink ID="OnCallStart" runat="server" Text='<%# Eval("OncallStart") %>' 
NavigateUrl='<%# String.Format("\website1\Default2.aspx?schedname={0}&date={1}", Eval("schedname"), Eval("OncallStart")) %>' /> 
</ItemTemplate> 
</asp:TemplateField> 
<asp:BoundField DataField="OnCallEnd" HeaderText="OnCallEnd" ReadOnly="True" 
SortExpression="OnCallEnd" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" 
ConnectionString="<%$ ConnectionStrings:MDRConnectionString %>" 
SelectCommand="sp_getoncallresults" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:ControlParameter ControlID="sincedateTextBox" DbType="DateTime" 
Name="sincedate" PropertyName="Text" />
<asp:ControlParameter ControlID="schednameTextBox" Name="schedname" 
PropertyName="Text" Type="String" />
</SelectParameters>
</asp:SqlDataSource>