Update,Delete GridView RowUpdating Without Using Sql DataBase Connection
Update & Delete GridView RowUpdating Temporary DataTable Values Without Using DataDase Connection in Asp.Net C#.
DEMO
C# CODING
Update & Delete GridView RowUpdating Temporary DataTable Values Without Using DataDase Connection in Asp.Net C#.
DEMO
HTML CODING
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" OnRowDeleting="GridView2_RowDeleting" Height="400px" OnRowCancelingEdit="GridView2_RowCancelingEdit" OnRowEditing="GridView2_RowEditing" OnRowUpdating="GridView2_RowUpdating" Width="500px" >
<AlternatingRowStyle BackColor="#FF9966" />
<Columns>
<asp:TemplateField HeaderText="SNO">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Eval("Sno") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="NAME">
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Eval("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="CITY">
<EditItemTemplate>
<asp:TextBox ID="txtCtyUpdate" runat="server"></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Eval("City") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Delete">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CommandName="delete">Delete</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField HeaderText="Edit" ShowEditButton="True" />
</Columns>
<HeaderStyle BackColor="#CC3300" />
<RowStyle BackColor="Silver" />
</asp:GridView>
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
public partial class RemoveRow : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Bind();
}
}
protected void Bind()
{
DataTable dt = new DataTable();
dt.Columns.Add("Sno", typeof(string));
dt.Columns.Add("Name", typeof(string));
dt.Columns.Add("City", typeof(string));
dt.Rows.Add("1", "AAA", "Mumbai");
dt.Rows.Add("2", "BBB", "New Delhi");
dt.Rows.Add("3", "CCC", "Kolkata");
dt.Rows.Add("4", "DDD", "Chennai");
dt.Rows.Add("5", "EEE", "Bangalore");
Session["Upd"] = dt;
DataTable dt1 = (DataTable)Session["Upd"];
GridView2.DataSource = dt;
GridView2.DataBind();
}
protected void GridView2_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
DataTable dt1 = (DataTable)Session["Upd"];
// DataTable dt = new DataTable();
if (dt1.Rows.Count > 0)
{
dt1.Rows[e.RowIndex].Delete();
GridView2.DataSource = dt1;
GridView2.DataBind();
}
}
protected void GridView2_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
TextBox txtCity = (TextBox)GridView2.Rows[e.RowIndex].Cells[3].FindControl("txtCtyUpdate");
DataTable dt1 = (DataTable)Session["Upd"];
// <----Integer value Update Below Method---->
// int number = Convert.ToInt32(txtQty.Text);
// dt1.Rows[e.RowIndex]["City"] = number;
dt1.Rows[e.RowIndex]["City"] = txtCity.Text;
dt1.AcceptChanges();
GridView2.EditIndex = -1;
GridView2.DataSource = dt1;
GridView2.DataBind();
}
protected void GridView2_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView2.EditIndex = -1;
DataTable dt1 = (DataTable)Session["Upd"];
GridView2.DataSource = dt1;
GridView2.DataBind();
}
protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e)
{
DataTable dt1 = (DataTable)Session["Upd"];
GridView2.EditIndex = e.NewEditIndex;
GridView2.DataSource = dt1;
GridView2.DataBind();
}
}
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