CLICKING ON BUTTONCOLUMN OF THE GRIDVIEW

 <asp:ButtonColumn DataTextField="LogID" SortExpression="LogID" HeaderText="LogID"
    CommandName="edit"></asp:ButtonColumn>

CommandName="edit"->THIS WILL FIRE TO THE GRIDVIEW EDITCOMMAND EVENT

REQUESTING A THE CURRENT PAGE FROM JAVA SCRIPT WITH QUERY STRING

window.location.href=window.document.URL+'?search_str=' + $get('search_q_Header').value + '&search_type=' + searchType;

THIS ABOVE STATEMENT REQUEST THE CURRENT PAGE AS A NEW REQUEST NOT AS A POSTBACK

ACCESSING THE QUERYSTRING VALUES FROM THE PAGELOAD

If Not IsPostBack Then
                If Not Request.QueryString("search_str") Is Nothing Then
                    search_text = Request.QueryString("search_str").ToString()
                    search_type = Request.QueryString("search_type").ToString()
                    Search()
                End If
            End If

CALLING A JAVASCRIPT FUNCTION FROM THE ASPX CLICK

<input id="btn1" type="button" class="btn" value="" onclick="return btn_click()" title="Search Patients" />

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

function btn_click(){
        if($get("search_q_Header").value==''){
            alert('Please enter value to Search');
            $get("search_q_Header").focus();
            return false;
        }

   </script>

OPENING THE PAGE IN ANOTHER BROWSER USING JAVA SCRIPT

 FROM JAVASCRIPT

-----------------

function Openwindow(id)
        {
       
        a1=window.open("desktopModules/DocuInfo.aspx?&itemid="+id,"MyWindow", 'left=300,top=200,width=500,height=230,scrollbars=yes,toolbar=0,resizable=0');
        a1.focus();
        }

FROM ASPX

---------------

<a href='#'>

<img alt="open" id="tes" style="border: 0" name="test" src="images/images1.jpg" onclick="javascript:Openwindow('<%# DataBinder.Eval(Container.DataItem,"ItemId") %>');"           height="10" width="10" align="middle"></a>


<a href='#'>-># ONLY SHOW THE LINK WHEN MOUSE OVER.ON CLICK IN IT NOTHING WILL HAPPEN