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• Re: Displaying custom server control elements in design view

  That depends on if it is a composite control.. If ti is not, then you can add controls in render... Since you are already done with the devt of the control and you say it works great, I would just add the HttpContext.Current == null section in Render method for the designer. You can keep it simple on the designer, just use HTML controls and style them accordingly.

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/8/2009

• Re: Displaying custom server control elements in design view

  In your render method do the following: if ((HttpContext.Current == null)) // this will be null if you are in design mode { // Write code here on how you want to render on the designer. Remember that OnLoad will not be called during rendering on designer. eg: base.Controls.Add(childcontrol1); base.Controls.Add(childControl2) etc.. } else { // your current code here for how you want it to render on the browser. }

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/7/2009

• Re: URGENT: DropDownList in custom server control not holding value on postback

  Try inheriting from DropDownList instead of WebControl. (You do not need to do any extra Save / Load ViewState)

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/7/2009

• Re: Image in Web Custom Control

  You mean your Image is an Embedded Resource? If your Custom Control has only 1 Image and you are deriving from Image then not sure why you are trying to overwrite CreateChildControls. Instead in Render try: base.ImageUrl = Page.ClientScript.GetWebResourceUrl(typeof(what_ever), "<location of your embedded image>");

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/7/2009

• Re: Custom dropdownlist control to show both text and value property of Items

  Glad it worked. Could you mark it resolved?? Thanks.

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/7/2009

• Re: Custom dropdownlist control to show both text and value property of Items

  In the custom control, during PreRender check if the DDL has items. If so, modify the Text property of each item. protected override void OnPreRender(EventArgs e) { // foreach item in base.Items, item.Text = item.Text + "_" + item.Value; }

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/6/2009

• Re: dynamic create RequiredFieldValidator when rendering TextBox

  You need to make a composite control which has a TextBox and RequiredFieldValidator as child controls. Then in CreateChildControls you would create the controls and in Render, render them in whatever format you want to.

  Posted to Custom Server Controls (Forum) by WebPrgmer on 4/6/2009

• Re: AnimationExtender and ConfirmationDialog.

  I would think this is still pretty odd behavior of the AnimationControl Extender. However, I implemented a work around to the issue. I added hidden field on the aspx and a javascript that updates the hidden value with the choice a user made on the confirm dialog. I then display Animation based on a condition. Here is the code in case there are more people out there with the same issue. Aspx: < asp:TextBox ID= "TextBox2" runat= "server" >This Updates the label even if you

  Posted to ASP.NET AJAX Control Toolkit (Forum) by WebPrgmer on 3/18/2008

• Re: ScriptManager required Error for Cascading DDL!!

  If you have an UpdatePanel on the page instead of a CascadingDDL (ie replace CascadingDDL with an UpdatePanel on the exact same page), do you still get the error?

  Posted to ASP.NET AJAX Control Toolkit (Forum) by WebPrgmer on 3/17/2008

• Re: ScriptManager required Error for Cascading DDL!!

  Try using a ScriptManagerProxy control on your content page instead..

  Posted to ASP.NET AJAX Control Toolkit (Forum) by WebPrgmer on 3/17/2008