Emphasize user management and interaction in C# programming

In my master page, there is a user control (error control) that is initially hidden (visible set to false).

When the submit button is clicked, I show the error control. After postback, I want to focus on this control. To achieve this, I am writing JavaScript code in registered startup script as shown below:

ScriptManager.RegisterStartupScript(Page, Page.GetType(), "Scroll", "window.scrollTo(0, 0)", true);

After postback, the page jumps up to display this control and then returns to its original scroll position.

c#asp.netjavascript

Answer №1

Did you ensure that MaintainScrollPositionOnPostback is set to true in the page directive at the beginning of your page/master page or in the <pages> element of your web.config?

You might also want to consider using the Focus method of the control in your postback handler

Edit for clarification:

If any of these settings are set to true, it is possible that they will override your startup script and return the page to the top - have you attempted setting it to false in either the Page directive, or on the Page object in the same code block that shows the error control?

Answer №2

 protected void OnControlFocus(object obj, EventArgs eventArgs)
    {
        Console.WriteLine("Control Focus Received: " + ((obj as Control).Name));
    }

Answer №3

I've successfully resolved the issue at hand. Here is my approach...

I have included a text box with a width of Zero% within the same area where my user control (error control) is located.

Whenever an error occurs, I utilize the following method:

public void SetFocus()
        {
            ScriptManager3.SetFocus(txtFocus.ClientID);
        }

Even though the error control itself is not focused, this clever workaround allows me to accomplish my objective.

Hopefully, this will be beneficial for others as well.

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