Auto Increment Serial Number in GridView - ASP.Net C# Example

Auto Increment in GridView ASP.Net

This blog post demonstrates how to add serial number in gridview asp.net c#. Sometimes you might need to display a column of serial number for GridView rows and you want it to be auto increment as number of rows increases. There are two different and simple ways to display row numbers in asp.net data controls. Find the code snippet below :-

GridView Auto Increment Column

First you can auto increment using Container.DataItemIndex in GridView :-

<asp:TemplateField HeaderText="Serial No">                   

                    <ItemTemplate>

                        <%#Container.DataItemIndex + 1 %>

                    </ItemTemplate>

</asp:TemplateField>

gridview auto increment column

Second you can add below code to auto generate a column in GridView :-

  <asp:TemplateField HeaderText="Serial No">

                    <ItemTemplate>

                        <asp:Label ID="Label1" runat="server"

                        Text='<%# (GridView1.PageSize * GridView1.PageIndex) + Container.DisplayIndex + 1 %>'>

                        </asp:Label>

                    </ItemTemplate>

</asp:TemplateField>

Repeater

<asp:Repeater ID="Repeater1" runat="server">

                <ItemTemplate>

                    <%#Container.ItemIndex+1 %>

                </ItemTemplate>

</asp:Repeater>

DataList

            <asp:DataList ID="DataList1" runat="server">

                <ItemTemplate>

                    <%#Container.ItemIndex+1 %>

                </ItemTemplate>

            </asp:DataList>

DetailsView

<asp:DetailsView ID="DetailsView1" runat="server" Height="50px" Width="125px">

                <Fields>

                    <asp:TemplateField>

                        <ItemTemplate>

                            <%#Container.DataItemIndex+1 %>

                        </ItemTemplate>

                    </asp:TemplateField>

                </Fields>

            </asp:DetailsView>

FormView

<asp:FormView ID="FormView1" runat="server">

                <ItemTemplate>

                    <%#Container.DataItemIndex+1 %>

                </ItemTemplate>

            </asp:FormView>

ListView

<asp:ListView ID="ListView1" runat="server">

                <ItemTemplate>

                    <%#Container.DataItemIndex+1 %>

                </ItemTemplate>

            </asp:ListView>

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