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Not able to read the dynamic controls

• • Reply

  2 months ago

  by srinath_2010@yahoo.co.in

  srinath_2010@yahoo.co.in

  , India

  Joined 6 months ago

  Hi,

  I have created some dynamic controls in page load and added to an existing asp:Table

  Its displaying in the page ( the page contains 3 tabs , this controls are added in one of the tab)

  If I click on another tab , I am trying to save the data in this dynamic controls .

  But not able to access it.

  </P> <P>This panel is a part of one table.</P> <P>&lt;asp:Panel ID="pStudySpecific" runat="server" EnableViewState="true" &gt; </P> <P>&lt;%--&lt;table width="100%" &gt; --%&gt; </P> <P>&lt;tr&gt;</P> <P>&lt;td&gt; </P> <P>&lt;asp:Table width="100%" border="1" runat="server" id="tblTimeZone" enableviewstate="true" &gt; </P> <P>&lt;asp:TableRow&gt;</P> <P>&lt;asp:TableCell&gt;</P> <P>&lt;asp:Table ID="tblTimeZones" runat="server" border="0" EnableViewState="true" &gt; </P> <P>&lt;asp:TableHeaderRow HorizontalAlign="Left"&gt;</P> <P>&lt;asp:TableHeaderCell HorizontalAlign="Left"&gt;</P> <P>&lt;asp:Label runat="server" ID="lblTimeZoneDetails" Text="TimeZone" SkinID="GroupTitleSkin"&gt;&lt;/asp:Label&gt;</P> <P>&lt;/asp:TableHeaderCell&gt;</P> <P>&lt;/asp:TableHeaderRow&gt; </P> <P>&lt;/asp:Table&gt;</P> <P>&lt;/asp:TableCell&gt;</P> <P>&lt;/asp:TableRow&gt;</P> <P>&lt;/asp:Table&gt;</P> <P>&lt;/td&gt;</P> <P>&lt;/tr&gt; </P> <P>&lt;/panel&gt;</P> <P>1. page load create controls and added to tblTimeZones.</P> <P mce_keep="true">&nbsp;</P> <P>2.Tab( link button click event)</P> <P>I tried to access control</P> <P>ContentPlaceHolder cphDetails = (ContentPlaceHolder)this.Master.FindControl("cphDetails");</P> <P>Table tblTimeZon = (Table)cphDetails.FindControl("tblTimeZones");</P> <P>till here its fine ,I am getting the values.</P> <P>DropDownList drpLstControl = (DropDownList)tblTimeZon.FindControl("drpLst" + objCustomField.DatabaseField);</P> <P>In the above line its giving null value.</P> <P>

  This all controls are in an update panel and content place holder.

  Please help.

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• • Reply

  2 months ago

  by royal ludhiana

  Royal Ludhiana

  Toronto, Canada

  Joined 2 years ago

  Hi Pradeep,

  -Try to count no. of controls on your panel using a loop.

  - then check whether the control found is a textbox or not, if so, then get the value of the same.

   Regards,

  Royal

   

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