GridView Nested GridView in ASP.Net

GridView nested GridView in asp net :

-- CSS

.Grid td

{

background-color: #eee;

color: black;

font-size: 10pt;

line-height:200%

}

.Grid th

{

background-color: #6f6e6e;

color: White;

font-size: 10pt;

line-height:200%

}

.ChildGrid td

{

background-color: white !important;

color: black;

font-size: 10pt;

line-height:200%

}

.ChildGrid th

{

background-color: #890000 !important;

color: White;

font-size: 10pt;

line-height:200%

}

</style>

$("[src*=plus]").live("click", function () {

$(this).closest("tr").after("<tr><td></td><td colspan = '999'>" + $(this).next().html() + "</td></tr>")

$(this).attr("src", "../image/minus.png");

});

$("[src*=minus]").live("click", function () {

$(this).attr("src", "../image/plus.png");

$(this).closest("tr").next().remove();

});

</script>

Aspx

<asp:gridview id="grdPro" runat="server" autogeneratecolumns="false" cssclass="Grid"

datakeynames="product_id" onrowdatabound="grdPro_RowDataBound" allowpaging="True"

onpageindexchanging="grdPro_PageIndexChanging">

<asp:TemplateField>

--Panel Style Display None

<asp:Panel ID="pnlOrders" runat="server" Style="display: none">

--Nested Grid

<asp:GridView ID="grdSubPro" runat="server"

AutoGenerateColumns="false" CssClass = "ChildGrid">

<asp:BoundField ItemStyle-Width="150px"

DataField="color" HeaderText="color" />

<asp:TemplateField ItemStyle-Width="150px"

HeaderText="ColorCode">

<asp:Label ID="lblColorCode" Width="120px"

Text='<%#Eval("color") %>' ForeColor="White"

BackColor='<%#System.Drawing.ColorTranslator.

FromHtml(Eval("color").ToString()) %>' runat="server">

</asp:Label>

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField ItemStyle-Width="150px"

DataField="size" HeaderText="size" />

</Columns>

</asp:GridView>

</asp:Panel>

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField ItemStyle-Width="150px"

DataField="Productname" HeaderText="Pro-Name" />

<asp:TemplateField HeaderText="Pro-Image">

<asp:Image ID="imgProImage" runat="server" Width="150px" Height="100px"

ImageUrl='<%#string.Format("~/{0}",Eval("Image")) %>' />

</ItemTemplate>

</asp:TemplateField>

<asp:BoundField ItemStyle-Width="150px"

DataField="Productdes" HeaderText="Pro-Description" />

<asp:BoundField ItemStyle-Width="150px"

DataField="Price" HeaderText="Price" />

<asp:BoundField ItemStyle-Width="150px"

DataField="Brandname" HeaderText="Brandname"/>

</Columns>

</asp:gridview>

</div>

Aspx.cs

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

grdProductView();

}

public void grdProductView()
{

Select = "Select * From Product_Master";

da = new SqlDataAdapter(Select, Conn);

da.Fill(ds);

grdPro.DataSource = ds;

grdPro.DataBind();
}

protected void grdPro_RowDataBound(object sender, GridViewRowEventArgs e)
{

if (e.Row.RowType == DataControlRowType.DataRow)

{

string ProID = grdPro.DataKeys[e.Row.RowIndex].Value.ToString();

GridView gvSub = e.Row.FindControl("grdSubPro") as GridView;

Label lblColorcode = e.Row.FindControl("lblColorCode") as Label;

string select1;

DataSet ds1 = new DataSet();

select1 = "Select * From test1 where product_id="+ProID+"";

da = new SqlDataAdapter(select1, Conn);

da.Fill(ds1);

gvSub.DataSource = ds1;

gvSub.DataBind();

}

protected void grdPro_PageIndexChanging(object sender, GridViewPageEventArgs e)

{

grdPro.PageIndex = e.NewPageIndex;

grdProductView();

}