I want to execute something only on form load

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Hi

I'm calling a method on form load that will populate a variable with a value, I want it to be called only when the page loads the First time not when a button is clicked or the page refreshes is that possible

Thank u in advance

Posted 25-Jul-12 21:59pm

mlingo209

Updated 25-Jul-12 22:18pm

Mohamed Mitwalli

v2

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StianSandberg 26-Jul-12 4:02am

asp.net webforms or windows forms?

mlingo209 26-Jul-12 4:08am

asp.net webforms the method will populate a variable with a unique QuoteNo then on the same page the user will have a button to add products to quote which must update the amount textbox using the same QuoteNo for every product added Thank u in advance.

2 solutions

Solution 1

Try this:

On the page load event of your page.

C#

if(!IsPostBack)
{
//code for very first load//
}
else
{
//not first load//
}

hope it helps :)

Posted 25-Jul-12 22:04pm

Uday P.Singh

Comments

mlingo209 26-Jul-12 4:10am

Will this work when the person navigates to the page again because I want the user to be able to get a new value when a creating a different quote.

Uday P.Singh 5-Aug-12 14:27pm

yes it will.

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StianSandberg · Accepted Answer · 2012-07-25T22:11:00

C#

protected void Page_Load(object sender, EventArgs e)
{

  string quoteNo;

  if(!IsPostBack)
  {
     quoteNo = Convert.ToString(Session["QuoteNo"]);
     if(string.IsNullOrEmpty(quoteNo)){
       // generate quoteNo and put it in a session variable
       quoteNo = GenerateQuoteNo();
       Session["QuoteNo"] = quoteNo; 
       // use your quoteNo
     }
  }
  else
  {
     quoteNo = Convert.ToString(Session["QuoteNo"]);
     // use your quoteNo
  }
}