Programmatically adding Control in GridView Cell (Controls.Add)

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Programmatically adding Control in GridView Cell (Controls.Add)

Author: DevASP Team
Download Source Code : 708_GridViewControl.zip

In this article I will try to explain you how you can add control in gridview cell programmatically.

Often as developer we face scenario like need of new control while running the application or developer wants to display record set in gridview cell by retrieving data from database. In aspx drop a gridview control and label control. The page will be like as follows:

<asp:GridView ID="gv" Visible="true" runat="server" AutoGenerateColumns="False">

<asp:TemplateField HeaderText="Controls">

<asp:Label ID="lbl" runat="server" Text="DropDownControl" ></asp:Label>

</ItemTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />

On page load bind the gridview control with arraylist. So that gridview will display on your web form.

protected void Page_Load(object sender, EventArgs e)

{

ArrayList al = new ArrayList();

al.Add("item1");

gv.DataSource = al;

gv.DataBind();

}

The trick to adding the control to cell is on button click event the code for adding the control is as follows:

protected void Button1_Click(object sender, EventArgs e)

{

DropDownList ddl = new DropDownList();

ddl.Visible = true;

ddl.ID = "ddl1";

ddl.Items.Add("Item1");

TableCell cell = new TableCell();

gv.Rows[0].Cells.Add(cell);

gv.Rows[0].Cells[0].Controls.Add(ddl);

}

In above sample I have simply uses the Controls.Add property which adds the control in cell.

Article Comments

Name: Rogelio Leyva

Hi!!! I need some similiar, I need to merge to columns, one column show the year(ex. 2008) and other the month(ex. 1=) I need to join both and present de information like (january 2008)

maybe you can help me

Name: Thomas

in gridview where your binding your colums in template field do it like this

DataBinder.Eval(Container.DataItem, "months").ToString() + " " + DataBinder.Eval(Container.DataItem, "years").ToString()

Name: Anand

Thank you. This article has really helped me. I was looking for the same thing for my project.

Name: Susanta

This article has really helped me. I was looking for the same thing for my project.

Name: Sagar

Thank you....It helped me lot