Enabled disabled Button in Nested ASP.Net GridVIew based on condition using C#

Hi Waghmare,

You had given wrong cell value, In OrderDate cell value will be cell[2] instead of that you had given cell[1], On  gvOrders_OnRowDataBound replacing cell[1] to cell[2].

HTML

        <asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false" CssClass="Grid"
            DataKeyNames="CustomerID" OnRowDataBound="gvCustomers_RowDataBound">
            <Columns>
                <asp:TemplateField>
                    <ItemTemplate>
                        <img alt="" style="cursor: pointer" src="images/plus.png" />
                        <asp:Panel ID="pnlOrders" runat="server" Style="display: none">
                            <asp:GridView ID="gvOrders" runat="server" AutoGenerateColumns="false" CssClass="ChildGrid"
                                OnRowDataBound="gvOrders_OnRowDataBound">
                                <Columns>
                                    <asp:TemplateField HeaderText="Action">
                                        <ItemTemplate>
                                            <asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="ShowPopup" />
                                        </ItemTemplate>
                                    </asp:TemplateField>
                                    <asp:BoundField ItemStyle-Width="150px" DataField="OrderId" HeaderText="Order Id" />
                                    <asp:BoundField ItemStyle-Width="150px" DataField="OrderDate" HeaderText="Date" />
                                </Columns>
                            </asp:GridView>
                        </asp:Panel>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:BoundField ItemStyle-Width="150px" DataField="ContactName" HeaderText="Contact Name" />
                <asp:BoundField ItemStyle-Width="150px" DataField="City" HeaderText="City" />
            </Columns>
        </asp:GridView>
        <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
        <script type="text/javascript">
            $("[src*=plus]").live("click", function () {
                $(this).closest("tr").after("<tr><td></td><td colspan = '999'>" + $(this).next().html() + "</td></tr>")
                $(this).attr("src", "images/minus.png");
            });
            $("[src*=minus]").live("click", function () {
                $(this).attr("src", "images/plus-sign.png");
                $(this).closest("tr").next().remove();
            });
        </script>

Namespaces

C#

using System.Data;
using System.Data.SqlClient;
using System.Configuration;

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        this.gvCustomers.DataSource = GetData("select top 10 * from Customers");
        this.gvCustomers.DataBind();
    }
}

private static DataTable GetData(string query)
{
    string strConnString = ConfigurationManager.ConnectionStrings["Constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(strConnString))
    {
        using (SqlCommand cmd = new SqlCommand())
        {
            cmd.CommandText = query;
            using (SqlDataAdapter sda = new SqlDataAdapter())
            {
                cmd.Connection = con;
                sda.SelectCommand = cmd;
                using (DataSet ds = new DataSet())
                {
                    DataTable dt = new DataTable();
                    sda.Fill(dt);
                    return dt;
                }
            }
        }
    }
}

protected void gvCustomers_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        string customerId = gvCustomers.DataKeys[e.Row.RowIndex].Value.ToString();
        GridView gvOrders = e.Row.FindControl("gvOrders") as GridView;
        gvOrders.DataSource = GetData(string.Format("select top 3 * from Orders where CustomerId='{0}'", customerId));
        gvOrders.DataBind();
    }
}

protected void gvOrders_OnRowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        Button btn = (e.Row.FindControl("btnSubmit") as Button);
        if (Convert.ToDateTime(e.Row.Cells[2].Text).ToString("dd/MM/yyyy") == DateTime.Now.ToString("dd/MM/yyyy"))
        {
            btn.Enabled = true;
        }
        else
        {
            btn.Enabled = false;
        }
    }
}