GridView相关问题汇总

<asp:gridview id="gvData" runat="server" autogeneratecolumns="False">
    <columns>
        <asp:templatefield headertext="所属系统">
            <itemtemplate>
                <asp:label id="lblPID" runat="server" text='<%# MyChange(Eval("PID").ToString()) %>'></asp:label>
            </itemtemplate>
        </asp:templatefield>
        <asp:templatefield headertext="问题">
            <itemtemplate>
                <asp:hyperlink id="hylTitle" runat="server" text='<%# Eval("Title") %>' navigateurl='<%# "~/UserShowDetail.aspx?qid=" +  Eval("QID") %>'></asp:hyperlink>
            </itemtemplate>
        </asp:templatefield> 
    </columns>
</asp:gridview>

protected string MyChange(string strPID)
{
    string strTemp = strPID.Substring(0, 1);
    if (strTemp == "1")
    {
        return "一级建造师";
    }
    else
    {
        return "二级建造师";
    }
}