You need to give different css to TextBox for both the GridView in DataBound event.
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
body
{
font-family: Arial;
font-size: 10pt;
}
table
{
border: 1px solid #ccc;
}
table th
{
background-color: #F7F7F7;
color: #333;
font-weight: bold;
}
table th, table td
{
padding: 5px;
border-color: #ccc;
}
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript" src="quicksearch.js"></script>
<script type="text/javascript">
$(function () {
$('.search_textbox').each(function (i) {
$(this).quicksearch("[id*=GridView1] tr:not(:has(th))", {
'testQuery': function (query, txt, row) {
return $(row).children(":eq(" + i + ")").text().toLowerCase().indexOf(query[0].toLowerCase()) != -1;
}
});
});
$('.search_textbox1').each(function (i) {
$(this).quicksearch("[id*=GridView2] tr:not(:has(th))", {
'testQuery': function (query, txt, row) {
return $(row).children(":eq(" + i + ")").text().toLowerCase().indexOf(query[0].toLowerCase()) != -1;
}
});
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" CssClass="GridViewKeySearch" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"
runat="server" AutoGenerateColumns="false" OnDataBound="OnDataBound">
<Columns>
<asp:BoundField DataField="Id" HeaderText="Id" ItemStyle-Width="30" />
<asp:BoundField DataField="Name" HeaderText="Name" ItemStyle-Width="100" />
<asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="100" />
</Columns>
</asp:GridView>
<hr />
<asp:GridView ID="GridView2" CssClass="GridViewKeySearch" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"
runat="server" AutoGenerateColumns="false" OnDataBound="OnDataBound1">
<Columns>
<asp:BoundField DataField="Id" HeaderText="Id" ItemStyle-Width="30" />
<asp:BoundField DataField="Name" HeaderText="Name" ItemStyle-Width="100" />
<asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="100" />
</Columns>
</asp:GridView>
</form>
</body>
</html>
Namespace
using System.Data;
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
new DataColumn("Name", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt.Rows.Add(1, "John Hammond", "United States");
dt.Rows.Add(2, "Mudassar Khan", "India");
dt.Rows.Add(3, "Suzanne Mathews", "France");
dt.Rows.Add(4, "Robert Schidner", "Russia");
GridView1.DataSource = dt;
GridView1.DataBind();
GridView2.DataSource = dt;
GridView2.DataBind();
}
}
protected void OnDataBound(object sender, EventArgs e)
{
GridViewRow row = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);
for (int i = 0; i < GridView1.Columns.Count; i++)
{
TableHeaderCell cell = new TableHeaderCell();
TextBox txtSearch = new TextBox();
txtSearch.Attributes["placeholder"] = GridView1.Columns[i].HeaderText;
txtSearch.CssClass = "search_textbox";
cell.Controls.Add(txtSearch);
row.Controls.Add(cell);
}
GridView1.HeaderRow.Parent.Controls.AddAt(1, row);
}
protected void OnDataBound1(object sender, EventArgs e)
{
GridViewRow row = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);
for (int i = 0; i < GridView2.Columns.Count; i++)
{
TableHeaderCell cell = new TableHeaderCell();
TextBox txtSearch = new TextBox();
txtSearch.Attributes["placeholder"] = GridView2.Columns[i].HeaderText;
txtSearch.CssClass = "search_textbox1";
cell.Controls.Add(txtSearch);
row.Controls.Add(cell);
}
GridView2.HeaderRow.Parent.Controls.AddAt(1, row);
}
Screenshot
