Hi,

I'm trying to add AutoComplete behavior to a dynamically created TextBox that's in a custom server control. At first, I used the following code which worked fine:

string js = "<script type=\"text/xml-script\">" +
                             "<page xmlns:script=\"http://schemas.microsoft.com/xml-script/2005\">" +
                             "<components>" +
                             "<textBox id=\"" + TextBox1.ClientID + "\">" +
                             "<behaviors>" +
                             "<autoComplete completionList=\"" + completionList.ClientID + "\"" +
                             " serviceURL=\"WebService.asmx\"" +
                                " serviceMethod=\"" + webserviceMethod + "\"" +
                                " minimumPrefixLength=\"2\"" +
                                " completionSetCount=\"15\"" +
                                " completionInterval=\"500\" />" +
                               "</behaviors>" +
                           "</textBox>" +
                       "</components>" +
                     "</page>" +
                   "</script>";
               
                Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "AutoComplete_" + TextBox1.ClientID, js);

But then, the control got nested into an UpdatePanel, and the autocomplete behavior was gone. Hence, I tried to add the AutoCompleteExtender by adding it as a LiteralControl like this:

Panel panTextBox = new Panel();

panTextBox.Controls.Add(new LiteralControl("<atlas:AutoCompleteExtender ID=\"" + "AutoComplete_" + TextBox1.ClientID + "\" ServicePath=\"~/WebService.asmx\" ServiceMethod=\"" + webserviceMethod + "\" MinimumPrefixLength=\"2\" runat=\"server\">" + "<atlas:AutoCompleteProperties TargetControlID=\"" + TextBox1.ClientID + "\" Enabled=\"true\" />" +"</atlas:AutoCompleteExtender>") );

Problem solved

The trick is, to manually add an ID to the TextBox control, like this:

TextBox1.ID = "textbox_" + ID;

Ok, instead of using this LiteralControl construction, I used the AutoCompleteExtender object from Microsoft.Web.UI.Controls, like this:

Before I forget, the "ID" variable of "textbox_" + ID was created by myself, actually it's an integer that increases with every control that is dynamically added.

I'm also in the situation described above. I do create controls and assign ids to them, but then i need them in javascript to do some calculations. Please any solution to original problem of finding clientid of dynamically created controls.