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Question
Doing a postback
Hi,
i have following javascript function in my c# code
private void btnLockBottom_Click(object
{
string period = string.Empty;
int Id = int.Parse(Request.Params["
int Year = 0, Qtr = 0;
period = ddlPeriod.SelectedValue;
Year = int.Parse (period.Substring (0,4));
Qtr = int.Parse (period.Substring (4,1));
}
string PopUpScript = "<script language='javascript'>" +
string.Format ("window.open('Lock.aspx?I
Page.RegisterStartupScript
}
now when ever this button is clicked the window is poped up and the main window where this button resides is refreshing and loosing its content can anyone say what do i have to add so tht when popup window is called the main window does not refreshes i guess ihave to add siomething in PopUpScript
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by: jnhorstPosted on 2006-10-20 at 14:16:01ID: 17777364
First, since you are clicking a server-control button, there is no way to avoid the "refresh" of the page. If you want to do this with posting back, you'll have to use a regular client side button (<input type="button" ... />) and then code the onclick event to call a JavaScript function in the aspx page to show the new window.
But if you need to stay with the server control, I think you can, but your problem is probably in your page_load event. You should only get the data for the ddl and call DataBind() when the page is not a postback, like this:
// check postback.
if (!this.IsPostBack)
{
// code here to load your data for the ddl.
ddlPeriod.DataBind();
}
This will prevent the data in the ddl from being refreshed and reset to the first item when the server button is clicked.
John