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7.6

How to set a asp textbox as string.empty after click cancel on a confirmation message box

Asked by soliveira in C# Programming Language, JavaScript

Tags: Visual Studio .NET 2005 C#, ASP2.0

I have a textbox txtDataEntry and a button btnValidate. I fill the txtDataEntry and click the btnValidate, it checks the database and return a DataTable. If there is a record in the datatable this will fill the others textboxs. But if not, I show a confirmation message box saying: No data was found, do you wish to continue? So if the user click on ok nohting will happen, however if the user click on cancel it should clean the txtDataEntry.
I am able to show the confirmation message box, however, when I click cancel comes a java script erro message saying:

'document.getElementById(...)' is null or not an object

My code is:

protected void btnValidate(object sender, EventArgs e)
{
...
           if (odt.Rows.Count == 0)
            {
                ShowConfirmationMessageBox("No data was found, do you wish to continue?", "System Message");
                return;
            }

...
 }

public void ShowConfirmationMessageBox(string Message, string Title)
{
        string strscript = "<script for='window' event='onLoad'>if(!confirm('" + Message + "')){ document.getElementById('txtEntryData').value = '' };</script>";
        Parent.Page.ClientScript.RegisterStartupScript(typeof(Page), Title, strscript );
}
[+][-]07/25/08 03:39 AM, ID: 22087295Accepted Solution

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About this solution

Zones: C# Programming Language, JavaScript
Tags: Visual Studio .NET 2005 C#, ASP2.0
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Solution Provided By: davyquyo
Participating Experts: 4
Solution Grade: A
 
[+][-]07/24/08 10:16 PM, ID: 22086133Expert Comment

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[+][-]07/24/08 10:53 PM, ID: 22086229Expert Comment

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[+][-]07/25/08 01:01 AM, ID: 22086707Expert Comment

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[+][-]07/25/08 03:40 AM, ID: 22087302Expert Comment

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