Problem with DataPager RSS

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  Irfaan

  Member

  52 Points

  6 Posts

  Re: Problem with DataPager

  Nov 11, 2009 09:12 AM|LINK

  Thanks Melbu. It worked for me.

  • Edited by Irfaan on Nov 11, 2009 10:23 AM
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  rickjackson

  Participant

  1362 Points

  405 Posts

  Re: Problem with DataPager

  Mar 10, 2010 05:57 PM|LINK

  Hey sabbirspide i gone through your solution its working nicely. 

  I have DropDownlist ==> Total Number of Rows ==> ALL, 10, 15, 20

  I am setting the PageSize property of the DataPagerControl

  
  

  private void FillRecords()
      {
          List<EmployeeInfo> objEmployeeInfo = new List<EmployeeInfo>();
          objEmployeeInfo = EmployeeInfoMethods.iGetEmployeeInfoList();
  
  
          if (ddlTotalRecords.SelectedValue == "0")
          {
              DataPager1.PageSize = objEmployeeInfo.Count;
          }
          else if (ddlTotalRecords.SelectedValue == "10")
          {
              DataPager1.PageSize = Convert.ToInt32(ddlTotalRecords.SelectedValue);
          }
          else if (ddlTotalRecords.SelectedValue == "15")
          {
              DataPager1.PageSize = Convert.ToInt32(ddlTotalRecords.SelectedValue);
          }
          else if (ddlTotalRecords.SelectedValue == "20")
          {
              DataPager1.PageSize = Convert.ToInt32(ddlTotalRecords.SelectedValue);
          }
  
  
          LstGridView.DataSource = objEmployeeInfo;
          LstGridView.DataBind();
      }

  
  DropDownList has a AutoPostback True set and on SelectedIndexChanged event i am calling again this function FillRecords

  Now the issue is Default All will be selected in the list then i selected 10 from the list and go to the 2nd page of the listview control and then again i selected 15 from the list then in the ListView 1st Page is default selected in the pager and then i again selected 10 from the list now i listview showing me the 2nd page my question why its here not showing me the 1st page ?

  Rick Jackson (Please mark as answer if my post help you to solve your issue) [Happy programming]
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  rickjackson

  Participant

  1362 Points

  405 Posts

  Re: Problem with DataPager

  Mar 10, 2010 06:20 PM|LINK

  i have found the answer of my question we need to reset the pager in DataPager control. Here is the link : http://stackoverflow.com/questions/234289/listview-with-datapager-not-working

   

  But in the future if that link is dead here is the function we need to call if any dropdownlist has DropDownlist ==> Total Number of Rows ==> ALL, 10, 15, 20

  private void ResetListViewPager()
  {
      DataPager pager = (DataPager)ListViewMembers.FindControl("DataPager1");
      if (pager != null)
      {
          CommandEventArgs commandEventArgs = new CommandEventArgs(DataControlCommands.FirstPageCommandArgument, "");
          // MAKE SURE THE INDEX IN THE NEXT LINE CORRESPONDS TO THE CORRECT FIELD IN YOUR PAGER
          NextPreviousPagerField nextPreviousPagerField = pager.Fields[0] as NextPreviousPagerField;
          if (nextPreviousPagerField != null)
          {
              nextPreviousPagerField.HandleEvent(commandEventArgs);
          }
  
          // THIS COMMENTED-OUT SECTION IS HOW IT WOULD BE DONE IF USING A NUMERIC PAGER RATHER THAN A NEXT/PREVIOUS PAGER
          //commandEventArgs = new CommandEventArgs("0", "");
          //NumericPagerField numericPagerField = pager.Fields[0] as NumericPagerField;
          //if (numericPagerField != null)
          //{
          //    numericPagerField.HandleEvent(commandEventArgs);
          //}
      }
  }

   We need to call this function

   

  protected void ddlTotalRecords_SelectedIndexChanged(object sender, EventArgs e)
      {
          try
          {
              FillRecords();
              ResetListViewPager();
          }
          catch (Exception ex)
          {
              throw ex;
          }
      }

  
  

   

  Rick Jackson (Please mark as answer if my post help you to solve your issue) [Happy programming]
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  mustafaiqbal

  Member

  4 Points

  2 Posts

  Re: Problem with DataPager

  Nov 12, 2012 04:29 AM|LINK

  Its Simple, Just Get "ID" in "QUERY-STRING" from the Database, Now Set it to the Pager Control Property as [ QueryStringField="ID" ] like:

  <asp:DataPager ID="DataPagerProducts" runat="server" QueryStringField="ID" PageSize="3">
                                  <Fields>
                                      <asp:NextPreviousPagerField ShowFirstPageButton="True" ShowNextPageButton="False" />
                                      <asp:NumericPagerField />
                                      <asp:NextPreviousPagerField ShowLastPageButton="True" ShowPreviousPageButton="False" />
                                  </Fields>
                              </asp:DataPager>

  Note: if not woking, then set also [ PagedControlID="ListView_Name" ].

  Regards,
  Mustafa Iqbal.

  DataPager Problem

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