i need grid-view header search
What I have tried:
<asp:GridView ID="gridView" DataKeyNames="FuelTypeId" runat="server"
AutoGenerateColumns="false" ShowFooter="true" HeaderStyle-Font-Bold="true"
OnRowCancelingEdit="gridView_RowCancelingEdit"
OnRowDeleting="gridView_RowDeleting"
OnRowEditing="gridView_RowEditing"
OnRowUpdating="gridView_RowUpdating"
OnRowCommand="gridView_RowCommand"
OnRowDataBound="gridView_RowDataBound" CssClass="gridview" AllowPaging="true" OnPageIndexChanging="OnPaging">
<columns> <asp:TemplateField HeaderText="Fuel Type">
<itemtemplate>
<asp:Label ID="lblname" runat="server" Text='<%#Eval("FuelType") %>' />
<edititemtemplate>
<asp:TextBox ID="txtfueltype" MaxLength="50" runat="server" class="form-control" Text='<%#Eval("FuelType") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="txtfueltype" ErrorMessage="Please enter the MakeName" Text="*" ValidationGroup="editvalidation" CssClass="cssValidation">
<footertemplate>
<asp:TextBox ID="txtfuelnew" MaxLength="50" placeholder="Fuel Type" runat="server" class="form-control"/>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="txtfuelnew" ErrorMessage="Please enter the MakeName" Text="*" ValidationGroup="validaiton" CssClass="cssValidation">
<asp:TemplateField>
<edititemtemplate>
<asp:Button ID="ButtonUpdate" ValidationGroup="editvalidation" runat="server" CommandName="Update" Text="Update" class="btn btn-default btn-xs" />
<asp:Button ID="ButtonCancel" runat="server" CommandName="Cancel" Text="Cancel" class="btn btn-default btn-xs" />
<itemtemplate>
<asp:Button ID="ButtonEdit" runat="server" CommandName="Edit" Text="Edit" class="btn btn-default btn-xs" />
<asp:Button ID="ButtonDelete" runat="server" CommandName="Delete" Text="Delete" class="btn btn-default btn-xs" />
<footertemplate>
<asp:Button ID="ButtonAdd" OnClientClick="addclick();" ValidationGroup="validaiton" runat="server" CommandName="AddNew" Text="Add" class="btn btn-default btn-xs" />
<button type="reset" >Reset</button>