ASP.NET Problems: Dynamic GridView in ASP.NET Using C#

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DynamciGridView.aspx.cs" Inherits="DynamciGridView" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div style="height: 55px"><table align="center" ><tr><td>
    <asp:PlaceHolder ID="PlaceHolder1" runat="server" />
    </td></tr>
    <tr><td><center ><asp:Button ID="btnSaveGrid" runat="server" Text="Save"
            Visible="false" BackColor="#006666" BorderColor="#CC00CC" Font-Bold="True"
            Font-Italic="True" Font-Size="Medium" ForeColor="#FF33CC" Height="26px"
            onclick="btnSaveGrid_Click" Width="51px" /></center>
    </td></tr></table>
    </div>
    </form>
</body>
</html>

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web.Security;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls.WebParts;

public partial class DynamciGridView : System.Web.UI.Page
{
    GridView gvDynamic = new GridView();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            FirstGridViewRow();
            gvDynamic.AutoGenerateColumns = false;
            gvDynamic.HeaderStyle.BackColor = System.Drawing.Color.DarkTurquoise;
            gvDynamic.RowStyle.BackColor = System.Drawing.Color.DarkMagenta;
            gvDynamic.AlternatingRowStyle.BackColor = System.Drawing.Color.DarkSalmon;
        }
    }

    private void FirstGridViewRow()
    {
        DataTable dt = new DataTable();
        TextBox txtname = new TextBox();
        DataRow dr = null;
        DataRow dr2 = null;
        dr = dt.NewRow();
        dr2 = dt.NewRow();

        dt.Rows.Add(dr);
        dt.Rows.Add(dr2);

        TemplateField tfObject = new TemplateField();
        tfObject.HeaderText = "Name";
        //tfObject.HeaderStyle.Width = Unit.Percentage(30);
        tfObject.ItemTemplate = new CreateItemTemplate(ListItemType.Item);
        gvDynamic.Columns .Add (tfObject);

        //TemplateField tfObject2 = new TemplateField();
        //tfObject2.HeaderText = "City";
        ////tfObject2.HeaderStyle.Width = Unit.Percentage(30);
        //tfObject2.ItemTemplate = new CreateItemTemplate(ListItemType.Item);
        //gvDynamic.Columns.Add(tfObject2);

        //TemplateField tfObject3 = new TemplateField();
        //tfObject3.HeaderText = "Cont. No.";
        ////tfObject2.HeaderStyle.Width = Unit.Percentage(30);
        //tfObject3.ItemTemplate = new CreateItemTemplate(ListItemType.Item);
        //gvDynamic.Columns.Add(tfObject3);

        tfObject = new TemplateField();
        tfObject.HeaderText = "City";
        tfObject.ItemTemplate = new CreateItemTemplate(ListItemType.Item);
        gvDynamic.Columns.Add(tfObject);

        tfObject = new TemplateField();
        tfObject.HeaderText = "Cont. No.";
        tfObject.ItemTemplate = new CreateItemTemplate(ListItemType.Item);
        gvDynamic.Columns.Add(tfObject);
        //tfObject.HeaderTemplate = new CreateItemTemplate(ListItemType.Header);
        //tfObject.FooterTemplate = new CreateItemTemplate(ListItemType.Footer);

        ViewState["CurrentTable"] = dt;

        gvDynamic.DataSource = dt;
        gvDynamic.DataBind();
        PlaceHolder1.Controls.Add(gvDynamic);
        btnSaveGrid.Visible = true;
    }

    protected void btnSaveGrid_Click(object sender, EventArgs e)
    {
    }

public class CreateItemTemplate : ITemplate
{

    //Field to store the ListItemType value
    private ListItemType myListItemType;

    public CreateItemTemplate()
    {
        //
        // TODO: Add default constructor logic here
        //
    }

    //Parameterrised constructor
    public CreateItemTemplate(ListItemType Item)
    {
        myListItemType = Item;
    }

    //Overwrite the InstantiateIn() function of the ITemplate interface.
    public void InstantiateIn(System.Web.UI.Control container)
    {
        //Code to create the ItemTemplate and its field.
        if (myListItemType == ListItemType.Item)
        {
            TextBox txtCashCheque = new TextBox();
            txtCashCheque.ID = "txtDynamic";
            container.Controls.Add(txtCashCheque);
        }

        //Code to create the HeaderTemplate and its field.
        if (myListItemType == ListItemType.Header)
        {
            Label lblTest = new Label();
            lblTest.Text = "Header Text";
            container.Controls.Add(lblTest);

        }

        //Code to create the FooterTemplate and its field.
        if (myListItemType == ListItemType.Footer)
        {
            Label lblTest = new Label();
            lblTest.Text = "";
            container.Controls.Add(lblTest);
        }

    }

}

Just Paste This Code.

All The Best!!!

ASP.NET Problems

Friday, 18 January 2013

Dynamic GridView in ASP.NET Using C#

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