access to div in gridview

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hi i want set attribute element in gridview.
i have a gridview.
in to grid view have UpdatePanel.
in to updatepanel have div tag.
i set div : runat="server"
i want in code-behind set : mydiv.visible=false;
how i can do it ?

Posted 8-Jul-14 7:48am

mor kan

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bowlturner 8-Jul-14 14:04pm

try pasting in the code with the Improve question link. We could see what you did and need to do.

mor kan 8-Jul-14 14:30pm

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false"
Width="858px" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" >

<alternatingrowstyle backcolor="ActiveCaption">

<columns>

<asp:TemplateField>

<itemtemplate>

<asp:UpdatePanel ID="up1" runat="server">
<contenttemplate>
<div id="Wrapper">

<div id="ColumnRight">
<div id="divContent">
<div style="width: 541px; float: left; height: 420px auto; background-color: White;">
<asp:Label runat="server" ID="lblIDSubPost" CssClass="lblIDSubPost" Text='<%# Eval("IDSubPost") %>'>
<br />
<asp:Label ID="lblContent" CssClass="lblContent" runat="server" Text='<%# Eval("TextPost") %>'>
</div>
</div>

</div>

<div id="ColumnLeft">

<img runat="server" alt="" id="imgAvater" class="imgAvater" src="~/Images/fantasicD2/1.png" />
<br />

<asp:Label runat="server" ID="lblUserName" Text='<%# Eval("UserNameSender") %>' CssClass="lblUserName">

<br />

<div id="divName">
<div style="position: static; float: right;">
<asp:Label runat="server" ID="txtName" Text='<%# Eval("Name") %>' CssClass="txtName">
<asp:Label runat="server" ID="lblName" Text=": نام" CssClass="lblName">
<img runat="server" id="imgName" src="~/Images/fantasicD3/Name.png" class="imgName" />
</div>
</div>

<br />

<div id="divFamily">
<div style="position: static; margin-top: 5px; float: right;">
<asp:Label runat="server" ID="txtFamily" Text='<%# Eval("Family") %>' CssClass="txtFamily">
<asp:Label runat="server" ID="lblFamily" Text=": نام خانوادگی" CssClass="lblFamily">

<img runat="server" id="img1" src="~/Images/fantasicD3/Family.png" class="imgFamily" />
</div>
</div>
<br />
<div id="divLocationLive">
<div style="position: static; margin-top: 5px; float: right;">
<asp:Label runat="server" ID="txtLocatiocnLive" Text='<%# Eval("State") %>' CssClass="txtFamily">
<asp:Label runat="server" ID="lblLocationLive" Text=":محل سکونت " CssClass="lblFamily">

<img runat="server" id="imgLocationLive" src="~/Images/fantasicD3/LocationLive.png" class="imgFamily" />
</div>
</div>
<br />
<

2 solutions

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

ridoy · Answer 1 · 2014-07-08T08:05:00

Solution 1

Make sure you div has this property "runat="server" and an id that can be referenced from your code behind.

XML

<div  runat="server" id="divName"></div>

Then, from code behind:

C#

divName.Visible = false;

Posted 8-Jul-14 8:05am

ridoy

Updated 8-Jul-14 8:06am

v2

Comments

mor kan 8-Jul-14 14:27pm

in page load not exist my divname

mor kan · Answer 2 · 2014-07-09T00:19:00

i think solved my problem but ...
i test below code ,this find contentplaceholder but not find my element.

C#

ContentPlaceHolder mpContentPlaceHolder;

           mpContentPlaceHolder = (ContentPlaceHolder)Master.FindControl("ContentPlaceHolder2");
           if (mpContentPlaceHolder != null)
           {

               Label mpLabel = (Label)Master.FindControl("IdTopic");
               if (mpLabel != null)
               {
                   ScriptManager.RegisterStartupScript(this, GetType(), "displayalertmessage", "ShowAlert();", true);
               }

           }

and insert

ASP.NET

<%@ MasterType   virtualPath="~/level2.Master"%>

but not work.
my refrence code is : link
i use master page .
my code is into contetntplaceholder.
in content place holder have gridview.
my code is:

ASP.NET

<asp:GridView ID="showPostrRGridView" runat="server" AutoGenerateColumns="false" Width="858px" OnSelectedIndexChanged="showPostrRGridView_SelectedIndexChanged" >



       <Columns>

           <asp:TemplateField>

               <ItemTemplate>

                   <div id="BorderTopic" class="BorderTopic">
                       <div id="TopicView1" class="TopicView">
                           <asp:Label ID="IdTopic" runat="server" Text='<%# Eval("IDTopic") %>' Visible="false"></asp:Label>
                           <table style="width: 100%; height: 100%;">
                               <tr>
                                   <td style="width: 4%; height: 100%;"></td>
                                   <td style="width: 52%; height: 100%; border-left-color: black; border-left-style: solid; border-left-width: 0.5px;">
                                       <div>
                                           <table style="width: 100%; height: 100%;">
                                               <tr style="width: 100%; height: 25%;">
                                                   <td>
                                                       <asp:LinkButton ID="linkToPost" Text='<%# Eval("titleTopic") %>' Font-Size="Large" Font-Names="b yekan" runat="server" ForeColor="#c6c574" OnClick="linkToPost_Click"></asp:LinkButton></td>
                                               </tr>
                                               <tr style="width: 100%; height: 25%;">
                                                   <td>
                                                       <asp:Label runat="server" Text='<%# Eval("Description") %>' Font-Size="Small" Font-Names="b yekan"></asp:Label></td>
                                               </tr>
                                           </table>
                                       </div>

                                   </td>
                                   <td style="width: 40%; height: 100%;">
                                       <div>
                                           <table style="width: 100%; height: 100%;">
                                               <tr>
                                                   <td style="width: 50%; height: 100%;">
                                                       <div>
                                                           <table style="width: 100%; height: 50%;">
                                                               <tr>
                                                                   <td align="center">
                                                                       <asp:Label runat="server" Text="تعداد مبحث های تاپیک" ID="lblMabhas" Font-Size="Large" Font-Names="b yekan" ForeColor="#c6c574"></asp:Label>
                                                                   </td>
                                                               </tr>
                                                               <tr>
                                                                   <td align="center" >
                                                                       <asp:Label runat="server" Text='<%# Eval("NumOfPost") %>' Font-Size="Small" Font-Names="b yekan"></asp:Label>
                                                                   </td>
                                                               </tr>
                                                           </table>
                                                       </div>
                                                   </td>
                                                   <td style="width: 50%; height: 100%;">
                                                       <div>
                                                           <table style="width: 100%; height: 50%;">
                                                               <tr>
                                                                   <td align="center">
                                                                       <asp:Label runat="server" Text=" ارسال آخرین مطلب" Font-Size="Large" Font-Names="b yekan" ForeColor="#c6c574"></asp:Label>
                                                                   </td>
                                                               </tr>
                                                               <tr>
                                                                   <td align="center">
                                                                       <asp:Label runat="server" Text='<%# Eval("DatePost") %>' Font-Size="Small" Font-Names="b yekan"></asp:Label>
                                                                   </td>
                                                               </tr>
                                                           </table>
                                                       </div>
                                                   </td>

                                               </tr>
                                           </table>
                                       </div>
                                   </td>
                                   <td style="width: 4%; height: 100%;"></td>

                               </tr>
                           </table>
                       </div>

                   </div>
               </ItemTemplate>
           </asp:TemplateField>
       </Columns>

   </asp:GridView>

access to div in gridview

<asp:Label runat="server" ID="lblUserName" Text='<%# Eval("UserNameSender") %>' CssClass="lblUserName">

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access to div in gridview

<asp:Label runat="server" ID="lblUserName" Text='<%# Eval("UserNameSender") %>' CssClass="lblUserName">

2 solutions

Solution 1

Solution 4

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