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Need to have a delay in my code before resetting textbox's text value

Posted on 2011-02-22
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Last Modified: 2012-06-21
Hello Experts,

I have an asp:Literal tool setup on my form to hold system messages. On my form I am inserting data to my database. When the submit button is pressed the System Message returns a message "Data Saved!". Then all the fields are set to their default value. I need to have a delay of 5 seconds and then have the controls text value change to "" the default.

When I use Thread.Sleep(5000); All of the processes are held for 5 seconds then process. I need them to run up to that point then delay 5 seconds then reset the system message text.

Jeff
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Question by:woodje
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LVL 22

Expert Comment

by:pivar
ID: 34955296
Hi,

You could use the Timer class. Check this for an example
http://www.java2s.com/Code/CSharp/GUI-Windows-Form/GUIandtimer.htm

/peter
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LVL 22

Expert Comment

by:pivar
ID: 34955545
Sorry, I neglected to notice that you want this for asp.

But there is an equivalent timer funtion in javascript you could use.
Try
setTimeout('function to clear your label', 5000)
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Author Comment

by:woodje
ID: 34955836
pivar,

Thanks for the response I am new to Javascript programming can you show me an example of what you are discussing? The element I am trying to set the text to " " has an ID="SystemMessages".

Jeff
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LVL 22

Expert Comment

by:pivar
ID: 34956003
Please try this:

   protected void Page_Load(object sender, EventArgs e)
    {
        this.btnSubmit.Attributes.Add("onClick", "setTimeout(\"document.getElementById('" + yourliteral.ClientID + "').value='';\",5000)");
    }
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Author Comment

by:woodje
ID: 34998489
pivar,

Thanks for the response. I guess I am having problems understanding how this is operating. I have a submit button. That updates my database and sets the literal control text to "Your Record has been Saved!!". And then resets the page back to baseline. What I need is for the literal text to be set back to baseline after a 5 second delay. With my setting back to baseline right now everything happens so fast the Save text is not appearing. I need my user to see it then have it reset.

Jeff
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LVL 22

Accepted Solution

by:
pivar earned 500 total points
ID: 35001701
Try this instead, and change your asp:Literal to a asp:Label


            protected void btnSubmit_Click(object sender, EventArgs e) {
                  yourLabel.Text = "Your Record has been Saved!!";

                  System.Text.StringBuilder sb = new System.Text.StringBuilder();
                  sb.Append("<script language='javascript'>");
                  sb.Append("setTimeout(\"document.getElementById('" + yourLabel.ClientID + "').firstChild.data = ''\", 5000);");
                  sb.Append("</script>");

                  if (!ClientScript.IsStartupScriptRegistered("ClearLabelScript")) {
                        ClientScript.RegisterStartupScript(this.GetType(), "ClearLabelScript", sb.ToString());
                  }
            }
      }
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Author Comment

by:woodje
ID: 35009616
Ok I will give that a try this evening and will post back.
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Author Closing Comment

by:woodje
ID: 35193400
Thanks
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