将更新面板与GridView一起使用时出现错误

问题描述:

嗨 在带有GridView的页面中使用UpdatePanel时出现错误
我的代码是

Hi I am getting error while am using UpdatePanel in the Page with GridView
My code is

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<asp:ScriptManager ID="scriptmanagernew" runat="server"></asp:ScriptManager>
<asp:UpdatePanel ID="updatepanelnew" runat="server"><ContentTemplate>
    <table border="0" cellspacing="0" cellpadding="0" style="width: 949px">
        <tr>
            <td width="220" valign="top">
                <table width="220" border="0" align="center" cellpadding="0" cellspacing="0" class="Sidemenu_bottem">
                    <tr>
                        <td colspan="3" valign="middle" class="Quicklink_top">
                            <table width="163" border="0" cellspacing="0" cellpadding="0">
                                <tr>
                                    <td width="32" height="33">
                                    </td>
                                    <td width="131">
                                        Careers
                                    </td>
                                </tr>
                            </table>
                        </td>
                    </tr>
                    <tr>
                        <td width="9" height="300">
                            &nbsp;
                        </td>
                        <td width="217" valign="top">
                            <table width="100%" border="0" cellspacing="0" cellpadding="0">
                                <tr>
                                    <td height="20">
                                        <a href="joinourteam.htm" class="submenu" target="_top">Join our team</a>
                                    </td>
                                </tr>
                                <tr>
                                    <td height="20">
                                        <a href="explorejobs.aspx" class="submenu"><strong>Explore jobs</strong> </a>
                                    </td>
                                </tr>
                                <tr>
                                    <td id="tdRegisterNow" runat="server" visible="false" height="20">
                                        &nbsp;&nbsp;&nbsp; <a href="UserRegistration.aspx" class="submenu">
                                            Register now</a>
                                    </td>
                                </tr>
                                <tr>
                                    <td id="tdMyProfile" runat="server" height="20">
                                        &nbsp;&nbsp;&nbsp; <a href="UserLogin.aspx" class="submenu">My
                                            Profile</a>
                                    </td>
                                </tr>
                                <tr>
                                    <td id="tdViewJobs" runat="server" visible="false" height="20">
                                        &nbsp;&nbsp;&nbsp; <a href="ViewJobs.aspx" class="submenu">Applied Jobs
                                            </a>
                                    </td>
                                </tr>
                                <tr>
                                    <td id="tdMyAccount" runat="server" visible="false" height="20">
                                        &nbsp;&nbsp;&nbsp; <a href="MyAccount.aspx" class="submenu">
                                            My Account</a>
                                    </td>
                                </tr>
                            </table>
                        </td>
                        <td width="10">
                            &nbsp;
                        </td>
                    </tr>
                </table>
            </td>
            <td width="729" valign="top" align="center">
                <table width="670" border="0" align="center" cellpadding="0" cellspacing="0" class="innertextbox_bottem">
                    <tr>
                        <td colspan="3" class="innertextbox_top">
                            <table style="height: 10px" cellpadding="5">
                                <tr style="border-style: outset">
                                    <td align="left" width="340">
                                        <span class="innerpage-header">&nbsp;&nbsp;Explore jobs</span>
                                    </td>
                                    <td align="right" width="250">
                                        <asp:Label class="LoginData" ID="lblUserName" runat="server"></asp:Label>
                                    </td>
                                    <td width="60">
                                        <asp:LinkButton class="LoginData" ID="lnkLogOut" runat="server" Visible="False" OnClick="lnkLogOut_Click">&lt;Logout&gt;</asp:LinkButton>
                                    </td>
                                </tr>
                            </table>
                        </td>
                    </tr>
                    <tr>
                        <td width="12">
                            &nbsp;
                        </td>
                        <td width="650" valign="top" align="center" colspan="2">
                            <p align="center">
                                <asp:Label ID="lblApplied" runat="server" Visible="False" ForeColor="#3399FF"></asp:Label>
                            </p>
                            <p align="center">
                                Enter/Select one or more search criteria below to view the opportunities:
                            </p>
                            <asp:Panel ID="Panel1" runat="server">
                            <table align="center" border="0" cellpadding="3" cellspacing="0">
                                <tr>
                                    <td align="right" style="height: 23px">
                                        Keyword:
                                    </td>
                                    <td align="left" style="height: 23px">
                                        <asp:TextBox ID="txtKeyword" runat="server" Width="170px"></asp:TextBox>
                                    </td>
                                    <td width="170Px" align="left" style="height: 23px">
                                        Ex: vb,dotnet,java,c#.
                                    </td>
                                </tr>
                                <tr>
                                    <td align="right">
                                        Country:
                                    </td>
                                    <td align="left">
                                        <asp:DropDownList ID="ddlCountry" runat="server" AutoPostBack="True" Font-Size="Larger"

                                            Width="176px" OnSelectedIndexChanged="ddlCountry_SelectedIndexChanged">
                                        </asp:DropDownList>
                                    </td>
                                    <td>
                                    </td>
                                </tr>
                                <tr>
                                    <td align="right">
                                        State:
                                    </td>
                                    <td align="left">
                                        <asp:DropDownList ID="ddlState" runat="server" Font-Size="Larger" Width="176px">
                                        </asp:DropDownList>
                                    </td>
                                    <td>
                                    </td>
                                </tr>
                                <tr>
                                    <td colspan="3" align="center">
                                        <br />
                                        <asp:Button class="ASPbutton" ID="btnSearch" runat="server" Text="Search" CausesValidation="False"

                                            BackColor="Black" ForeColor="White" Width="65px" OnClick="btnSearch_Click"></asp:Button>
                                        &nbsp;&nbsp;&nbsp;
                                        <asp:Button class="ASPbutton" ID="btnClearSearch" runat="server" Text="Clear Search"

                                            CausesValidation="False" BackColor="Black" ForeColor="White" Width="100px" OnClick="btnClearSearch_Click">
                                        </asp:Button>
                                        <br />
                                        <br />
                                    </td>
                                </tr>
                            </table>
                                   </asp:Panel>
                        </td>
                    </tr>
                    <tr>
                        <td colspan="3" align="center" >
                            <asp:Panel ID="pnlDgJobDetailsFound" runat="server" ScrollBars="Auto"

                                Visible="false">
                                <asp:GridView ID="dgSrchJobDetailsFound" runat="server" align="center" AutoGenerateColumns="False"

                                    AllowSorting="True" Width="96%" CellPadding="3" ForeColor="#333333" DataKeyNames="JobId"

                                    GridLines="None" OnSelectedIndexChanged="dgSrchJobDetailsFound_SelectedIndexChanged">
                                    <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
                                    <Columns>
                                        <asp:CommandField CausesValidation="False" InsertVisible="False" ShowCancelButton="False"

                                            ShowSelectButton="True" />
                                        <asp:BoundField DataField="JobCode" HeaderText="JobCode" ReadOnly="True" />
                                        <asp:BoundField DataField="Title" HeaderText="Title" />
                                        <asp:BoundField DataField
									

Have a look at various possible reasons and resolutions for the same here[^]. Few useful links from it:
Link 1[^]
Link 2[^]
Link 3[^]
Have a look at various possible reasons and resolutions for the same here[^]. Few useful links from it:
Link 1[^]
Link 2[^]
Link 3[^]


Use PostBackTrigger instead of AsyncPostBackTrigger. For more info have a look at these.

Link 1[^]
Link 2[^]
Use PostBackTrigger instead of AsyncPostBackTrigger. For more info have a look at these.

Link 1[^]
Link 2[^]