calender control in asp.net opening in another form -

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i using calender control in asp.net 2.0, , after clicking on button opening in form. using following js code open window:

 function openwindow(txtvalueid) {          leftval = (3500 - screen.width) / 2;         topval = (800 - screen.height) / 2;          if (txtvalueid == 'ctl00$cph1$txthiredate') {             var txtid = '<%=txthiredate.clientid %>';         }         else {             var txtid = '<%=txttermdate.clientid %>';         }         var frmid = '<%=page.form.clientid %>';         var qs = "formname=" + frmid + "." + txtid;          window.open('/calender.aspx?' + qs, 'calendar_window', 'fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=no,directories=no,location=no,width=230,height=240,left=' + leftval + ',top=' + topval + ',screenx=400,screeny=400')     }      function isnumeric(keycode) {         return ((keycode >= 48 && keycode <= 57) || keycode == 8)     }

in line txtvalueid == 'ctl00$cph1$txthiredate' wrong. referring control id, control id keeps changing.. why?

you shouldn't explicitly refer id directly, instead do:

if (txtvalueid == '<%=txthiredate.clientid %>') {

in first if line, id changing issue.

hth.


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