Grid View With Fixed Header In Asp.net
Requirement :
- A Grid view with auto generated column and Row ()
- A Div Above the grid
In this case we are hiding the header of the grid view and coping each column with style in the div
Aspx Page Style Codding
<style type="text/css">
body
{
background-color: #333;
}
.GridViewStyle
{
font-family: Verdana;
font-size: 11px;
background-color: White;
}
.GridViewHeaderStyle
{
height: 15px;
font-family: Verdana;
font-size: 12px;
color: black;
background: black url(Image/SubHeader.png) repeat-x;
}
.GridViewRowStyle
{
font-family: Verdana;
font-size: 11px;
}
</style>
Scripting
<script type="text/javascript">
function CreateGridHeader(DataDiv, GridView_draft_details, HeaderDiv) {
var DataDivObj = document.getElementById(DataDiv);
var DataGridObj = document.getElementById('<%= GridView_draft_details.ClientID %>');
var HeaderDivObj = document.getElementById(HeaderDiv);
//********* Creating new table which contains the header row ***********
var HeadertableObj = HeaderDivObj.appendChild(document.createElement('table'));
DataDivObj.style.paddingTop = '0px';
var DataDivWidth = DataDivObj.clientWidth;
DataDivObj.style.width = '110%';
// DataDivObj.border = '1px'
DataDivObj.style.border = "1px solid Black";
//********** Setting the style of Header Div as per the Data Div ************
HeaderDivObj.className = DataDivObj.className;
HeaderDivObj.style.cssText = DataDivObj.style.cssText;
//**** Making the Header Div scrollable. *****
HeaderDivObj.style.overflow = 'auto';
//*** Hiding the horizontal scroll bar of Header Div ****
HeaderDivObj.style.overflowX = 'hidden';
//**** Hiding the vertical scroll bar of Header Div ****
HeaderDivObj.style.overflowY = 'hidden';
HeaderDivObj.style.height = DataGridObj.rows[0].clientHeight + 'px';
//**** Removing any border between Header Div and Data Div ****
HeaderDivObj.style.borderBottomWidth = '0px';
//********** Setting the style of Header Table as per the GridView ************
HeadertableObj.className = DataGridObj.className;
//**** Setting the Headertable css text as per the GridView css text
HeadertableObj.style.cssText = DataGridObj.style.cssText;
HeadertableObj.border = '1px';
HeadertableObj.rules = 'all';
HeadertableObj.cellPadding = DataGridObj.cellPadding;
HeadertableObj.cellSpacing = DataGridObj.cellSpacing;
//********** Creating the new header row **********
var Row = HeadertableObj.insertRow(0);
Row.className = DataGridObj.rows[0].className;
Row.style.cssText = DataGridObj.rows[0].style.cssText;
Row.style.fontWeight = 'bold';
//******** This loop will create each header cell *********
for (var iCntr = 0; iCntr < DataGridObj.rows[0].cells.length; iCntr++) {
var spanTag = Row.appendChild(document.createElement('td'));
spanTag.innerHTML = DataGridObj.rows[0].cells[iCntr].innerHTML;
var width = 0;
//****** Setting the width of Header Cell **********
if (spanTag.clientWidth > DataGridObj.rows[1].cells[iCntr].clientWidth) {
width = spanTag.clientWidth;
}
else {
width = DataGridObj.rows[1].cells[iCntr].clientWidth;
}
if (iCntr <= DataGridObj.rows[0].cells.length - 2) {
spanTag.style.width = width + 'px';
}
else {
spanTag.style.width = width + 20 + 'px';
}
DataGridObj.rows[1].cells[iCntr].style.width = width + 'px';
}
var tableWidth = DataGridObj.clientWidth;
//********* Hidding the original header of GridView *******
DataGridObj.rows[0].style.display = 'none';
//********* Setting the same width of all the componets **********
HeaderDivObj.style.width = DataDivWidth + 'px';
DataDivObj.style.width = DataDivWidth + 'px';
DataGridObj.style.width = tableWidth + 'px';
HeadertableObj.style.width = tableWidth + 20 + 'px';
return false;
}
function Onscrollfnction() {
var div = document.getElementById('DataDiv');
var div2 = document.getElementById('HeaderDiv');
//****** Scrolling HeaderDiv along with DataDiv ******
div2.scrollLeft = div.scrollLeft;
return false;
}
</script>
AspxPage coding
<div align="center">
<%--Div contains the new header of the GridView--%>
<div id="HeaderDiv" style="width: 20px">
</div>
<%--Wrapper Div which will scroll the GridView--%>
<div id="DataDiv" style="overflow: auto; width: 94%; height: 450px;"
onscroll="Onscrollfnction();"><%--border: 1px solid olive; --%>
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="true" CssClass="GridViewStyle" CellSpacing="0" Height="100%" >
<HeaderStyle CssClass="GridViewHeaderStyle" Height="30px" Width="100%" />
<RowStyle CssClass="GridViewRowStyle" Width="100%" HorizontalAlign="Right" />
</asp:GridView>
</div>
</div>
Coding For CodeBehind page
on button click event fill the grid view
dim dt = as datatable ()
dt = "Fill the datatable "
GridView1.DataSource = dt
GridView1.DataBind()
