javascript alert function working on second click

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JavaScript alert function works on second click.. i am putting script on master page. and on add to cart button i am calling that alert fuction. but on first click on add to cart button its doesn't work.. but on second click. A clear box pops up and works fine

i am just finding the button id from gridview

C#

for (int i = 0; i < GridView1.Rows.Count; i++)
           {
               Button btn = (Button)GridView1.Rows[i].FindControl("btnaddcart");
               //Change the property settings for the button in your TemplateField
               btn.Attributes["onclick"] = "showstock()";
           }

and i am calling that JavaScript function which is on gridview. i just want that it works on first click. but ist working on second click to add to cart button.

the JavaScript code is

C#

<script type="text/javascript" language="javascript">


       function showstock()
       {
           alert("Sorry This Product is not in stock!");

       }


   </script>

Posted 16-Feb-12 8:01am

codegeekalpha

Updated 16-Feb-12 17:33pm

Varun Sareen

v3

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Sarvesh Kumar Gupta · Answer 1 · 2012-02-16T18:01:00

Solution 2

Hi, You have called js function at wrong place, pls write below code in rowdatabound event of gridview.

C#

btn.Attributes.Add("onclick","showstock();");

Posted 16-Feb-12 18:01pm

Sarvesh Kumar Gupta

Comments

Varun Sareen 17-Feb-12 0:44am

good one sarvesh jee

codegeekalpha 26-Feb-12 20:15pm

its not working. same problem...with that

Varun Sareen · Answer 2 · 2012-02-16T17:18:00

Solution 1

Dear Friend,

Try to put your code like this:-

btn.Attributes.Add("onclick","showstock();");

I hope this will work out for solution.

Thanks

Posted 16-Feb-12 17:18pm

Varun Sareen

Comments

codegeekalpha 26-Feb-12 20:15pm

nop its not working... same issues is also with this..

saxenaabhi6 · Answer 3 · 2012-02-16T18:11:00

where are you trying to run this loop to add buttons.
are you doing a databind on gridview after that ?

If u add these 'buttons calling java-script function' on gridview.rowcreated event, they should work.

try something like below (just wrote it not tested)

C#

void GridView_RowCreated(Object sender, GridViewRowEventArgs e)
  {

    if(e.Row.RowType == DataControlRowType.DataRow)
    {
      // Retrieve the LinkButton control from the first column.
      Button btn= (Button)e.Row.FindControl("btnaddcart");
      
      btn.Attributes["onclick"] = "showstock()";
    }

  }