Comments by mor kan (Top 4 by date)

<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 />
<

in page load not exist my divname