.net - get cell value in gridview -

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i want text literal inside gridview,

but when run program, exception through

unable cast object of type system.web.ui.literalcontrol type system.web.ui.databoundliteralcontrol.

.aspx code: 

<asp:gridview id="gridview3" runat="server" onrowdatabound="rowdatabound" datakeynames="qno" autogeneratecolumns="false"  showfooter="true" onrowcancelingedit="cancel"   onrowcommand="create" onrowdeleting="delete" onrowediting="edit" onrowupdating="update">              <columns>             <asp:templatefield headertext="selection">             <itemtemplate>                 <asp:checkbox id="check1" runat="server"/>             </itemtemplate>              </asp:templatefield>              <asp:templatefield headertext="id" visible="true">         <itemtemplate>             <asp:label id="id7" runat="server" text='<%#eval("assessid") %>' ></asp:label>          </itemtemplate>         </asp:templatefield>      <asp:templatefield headertext="qno" visible="true">         <itemtemplate>          <asp:dropdownlist  appenddatabounditems="true"  autopostback="true"     id="dropdownlist1"  runat="server">          <asp:listitem ></asp:listitem>           </asp:dropdownlist>          </itemtemplate>        </asp:templatefield>           <asp:templatefield headertext="description" visible="true">         <itemtemplate>           <asp:literal id="id6" runat="server" text='<%#eval("description") %>' >          </asp:literal>         </itemtemplate>          <edititemtemplate>              <asp:textbox id="textbox1" text='<%#eval("description") %>' runat="server" ></asp:textbox>          </edititemtemplate>         <footertemplate>          <asp:textbox id="textbox3"  runat="server" ></asp:textbox>             </footertemplate>       </asp:templatefield>                 <asp:templatefield headertext="strongagree" visible="true">         <edititemtemplate>         =        <asp:templatefield headertext="action" visible="true">          <itemtemplate>             <asp:linkbutton id="linkbutton5" text="edit" commandname="edit" runat="server"></asp:linkbutton>     </itemtemplate>     <edititemtemplate>         <asp:linkbutton id="linkbutton1" text="update" commandname="update" runat="server"></asp:linkbutton>         <asp:linkbutton id="linkbutton3" text="cancel" commandname="cancel" runat="server"></asp:linkbutton>     </edititemtemplate>     <footertemplate>      <asp:linkbutton id="linkbutton7" text="deleteall"  commandname="delete" runat="server"></asp:linkbutton>      </footertemplate> </asp:templatefield>      <asp:templatefield headertext="" visible="true">          <itemtemplate>            <asp:linkbutton id="linkbutton23" text="delete" commandname="delete" runat="server"></asp:linkbutton>         </itemtemplate>      <footertemplate>     <asp:button id="bdh" text="insert " commandname="insert" runat="server" />      </footertemplate>  </asp:templatefield>        </columns>                   <footerstyle backcolor="#990000" font-bold="true" forecolor="white" />             <headerstyle backcolor="#990000" font-bold="true" forecolor="white" />             <pagerstyle backcolor="#ffcc66" forecolor="#333333" horizontalalign="center" />             <rowstyle backcolor="#fffbd6" forecolor="#333333" />             <selectedrowstyle backcolor="#ffcc66" font-bold="true" forecolor="navy" />             <sortedascendingcellstyle backcolor="#fdf5ac" />             <sortedascendingheaderstyle backcolor="#4d0000" />             <sorteddescendingcellstyle backcolor="#fcf6c0" />             <sorteddescendingheaderstyle backcolor="#820000" />             </asp:gridview>

code behind

protected void rowdatabound(object sender, gridviewroweventargs e) {     if (e.row.rowtype == datacontrolrowtype.datarow)     {        string percentage = ((literalcontrol)e.row.cells[2].controls[0]).text;     } }

the literal control getting not 1 want (there literal matching whitespace). try id:

string percentage = ((literalcontrol)e.row.findcontrol("id6").text;

or perhaps try index:

string percentage = ((literalcontrol)e.row.cells[2].controls[1]).text;

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