How to insert edit update delete in gridview in asp net c#

How to insert edit update delete in gridview in asp net c#

Introduction

In this post I will explain how to insert, edit, update and delete data in gridview using asp.net c#.

We have one gridview we need to write asp.net c# code to insert data into gridview than after that we need to edit that 
gridview data and update it and if we want to delete the record in grdview we need to delete record 
simply

<div>
<asp:GridView ID="gvDetails" DataKeyNames="UserId,UserName" runat="server"
AutoGenerateColumns="false" CssClass="Gridview" HeaderStyle-BackColor="#61A6F8"
ShowFooter="true" HeaderStyle-Font-Bold="true" HeaderStyle-ForeColor="White"
onrowcancelingedit="gvDetails_RowCancelingEdit"
onrowdeleting="gvDetails_RowDeleting" onrowediting="gvDetails_RowEditing"
onrowupdating="gvDetails_RowUpdating"
onrowcommand="gvDetails_RowCommand">
<Columns>
<asp:TemplateField>
<EditItemTemplate>
<asp:ImageButton ID="imgbtnUpdate" CommandName="Update" runat="server" ImageUrl="~/Images/update.jpg" ToolTip="Update" Height="20px" Width="20px" />
<asp:ImageButton ID="imgbtnCancel" runat="server" CommandName="Cancel" ImageUrl="~/Images/Cancel.jpg" ToolTip="Cancel" Height="20px" Width="20px" />
</EditItemTemplate>
<ItemTemplate>
<asp:ImageButton ID="imgbtnEdit" CommandName="Edit" runat="server" ImageUrl="~/Images/Edit.jpg" ToolTip="Edit" Height="20px" Width="20px" />
<asp:ImageButton ID="imgbtnDelete" CommandName="Delete" Text="Edit" runat="server" ImageUrl="~/Images/delete.jpg" ToolTip="Delete" Height="20px" Width="20px" />
</ItemTemplate>
<FooterTemplate>
<asp:ImageButton ID="imgbtnAdd" runat="server" ImageUrl="~/Images/AddNewitem.jpg" CommandName="AddNew" Width="30px" Height="30px" ToolTip="Add new User" ValidationGroup="validaiton" />
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="UserName">
<EditItemTemplate>
<asp:Label ID="lbleditusr" runat="server" Text='<%#Eval("Username") %>'/>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblitemUsr" runat="server" Text='<%#Eval("UserName") %>'/>
</ItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtftrusrname" runat="server"/>
<asp:RequiredFieldValidator ID="rfvusername" runat="server" ControlToValidate="txtftrusrname" Text="*" ValidationGroup="validaiton"/>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="City">
<EditItemTemplate>
<asp:TextBox ID="txtcity" runat="server" Text='<%#Eval("City") %>'/>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblcity" runat="server" Text='<%#Eval("City") %>'/>
</ItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtftrcity" runat="server"/>
<asp:RequiredFieldValidator ID="rfvcity" runat="server" ControlToValidate="txtftrcity" Text="*" ValidationGroup="validaiton"/>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Designation">
<EditItemTemplate>
<asp:TextBox ID="txtDesg" runat="server" Text='<%#Eval("Designation") %>'/>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblDesg" runat="server" Text='<%#Eval("Designation") %>'/>
</ItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtftrDesignation" runat="server"/>
<asp:RequiredFieldValidator ID="rfvdesignation" runat="server" ControlToValidate="txtftrDesignation" Text="*" ValidationGroup="validaiton"/>
</FooterTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<div>
<asp:Label ID="lblresult" runat="server"></asp:Label>
</div>
using System;
using System.Data;
using System.Data.SqlClient;
using System.Drawing
SqlConnection con = new SqlConnection("Data Source=PC-DK;Integrated Security=true;Initial Catalog=MyDB");
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindEmployeeDetails();
}
}
protected void BindEmployeeDetails()
{
con.Open();
SqlCommand cmd = new SqlCommand("Select * from EmployeeDetails", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
con.Close();
if (ds.Tables[0].Rows.Count > 0)
{
gvDetails.DataSource = ds;
gvDetails.DataBind();
}
else
{
ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());
gvDetails.DataSource = ds;
gvDetails.DataBind();
int columncount = gvDetails.Rows[0].Cells.Count;
gvDetails.Rows[0].Cells.Clear();
gvDetails.Rows[0].Cells.Add(new TableCell());
gvDetails.Rows[0].Cells[0].ColumnSpan = columncount;
gvDetails.Rows[0].Cells[0].Text = "No Records Found";
}
}
protected void gvDetails_RowEditing(object sender, GridViewEditEventArgs e)
{
gvDetails.EditIndex = e.NewEditIndex;
BindEmployeeDetails();
}
protected void gvDetails_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
int userid = Convert.ToInt32(gvDetails.DataKeys[e.RowIndex].Value.ToString());
string username = gvDetails.DataKeys[e.RowIndex].Values["UserName"].ToString();
TextBox txtcity = (TextBox)gvDetails.Rows[e.RowIndex].FindControl("txtcity");
TextBox txtDesignation = (TextBox)gvDetails.Rows[e.RowIndex].FindControl("txtDesg");
con.Open();
SqlCommand cmd = new SqlCommand("update Employee_Details set City='" + txtcity.Text + "',Designation='" + txtDesignation.Text + "' where UserId=" + userid, con);
cmd.ExecuteNonQuery();
con.Close();
lblresult.ForeColor = Color.Green;
lblresult.Text = username + " Details Updated successfully";
gvDetails.EditIndex = -1;
BindEmployeeDetails();
}
protected void gvDetails_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
gvDetails.EditIndex = -1;
BindEmployeeDetails();
}
protected void gvDetails_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int userid = Convert.ToInt32(gvDetails.DataKeys[e.RowIndex].Values["UserId"].ToString());
string username = gvDetails.DataKeys[e.RowIndex].Values["UserName"].ToString();
con.Open();
SqlCommand cmd = new SqlCommand("delete from Employee_Details where UserId=" + userid, con);
int result = cmd.ExecuteNonQuery();
con.Close();
if (result == 1)
{
BindEmployeeDetails();
lblresult.ForeColor = Color.Red;
lblresult.Text = username + " details deleted successfully";
}
}
protected void gvDetails_RowCommand(object sender, GridViewCommandEventArgs e)
{
if(e.CommandName.Equals("AddNew"))
{
TextBox txtUsrname = (TextBox)gvDetails.FooterRow.FindControl("txtftrusrname");
TextBox txtCity = (TextBox)gvDetails.FooterRow.FindControl("txtftrcity");
TextBox txtDesgnation = (TextBox) gvDetails.FooterRow.FindControl("txtftrDesignation");
con.Open();
SqlCommand cmd =
new SqlCommand(
"insert into Employee_Details(UserName,City,Designation) values('" + txtUsrname.Text + "','" +
txtCity.Text + "','" + txtDesgnation.Text + "')", con);
int result= cmd.ExecuteNonQuery();
con.Close();
if(result==1)
{
BindEmployeeDetails();
lblresult.ForeColor = Color.Green;
lblresult.Text = txtUsrname.Text + " Details inserted successfully";
}
else
{
lblresult.ForeColor = Color.Red;
lblresult.Text = txtUsrname.Text + " Details not inserted";
}
}
}

2020-02-21