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Insert Edit update and delete from gridview in asp.net with c#

Edit
Insert Edit update and delete from grid-view














Notes: In this post i'm going to use the mane of DB and Table are

   1. Database name: empDB
  2. Table name: Employees

And going to use the connection string

static string _strCon = "Data Source=.;Integrated Security=true;Initial Catalog=empDB";

gridview in .aspx page code

         <div>
            <asp:Label ID="lblMsg" runat="server"></asp:Label>
        </div>
        <div>
            <asp:GridView ID="grdEmpDetails" DataKeyNames="UserId,UserName" runat="server"
                AutoGenerateColumns="false" CssClass="Gridview" HeaderStyle-BackColor="#61A6F8"
                ShowFooter="true" HeaderStyle-Font-Bold="true" HeaderStyle-ForeColor="White"
                OnRowCancelingEdit="grdEmpDetails_RowCancelingEdit"
                OnRowDeleting="grdEmpDetails_RowDeleting" OnRowEditing="grdEmpDetails_RowEditing"
                OnRowUpdating="grdEmpDetails_RowUpdating"
                OnRowCommand="grdEmpDetails_RowCommand">

                <Columns>
                    <asp:TemplateField HeaderText="Emp_Name">
                        <EditItemTemplate>
                            <asp:Label ID="lbl_editempname" runat="server" Text='<%#Eval("Emp_Name") %>' />
                        </EditItemTemplate>
                        <ItemTemplate>
                            <asp:Label ID="lbl_itemempname" runat="server" Text='<%#Eval("Emp_Name") %>' />
                        </ItemTemplate>
                        <FooterTemplate>
                            <asp:TextBox ID="txt_ftrempnmae" runat="server" />
                            <asp:RequiredFieldValidator ID="rfv_empname" runat="server" ControlToValidate="txt_ftrempnmae" ValidationGroup="v1" />
                        </FooterTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField HeaderText="Emp_Dept">
                        <EditItemTemplate>
                            <asp:Label ID="lbl_editempDept" runat="server" Text='<%#Eval("Emp_Dept") %>' />
                        </EditItemTemplate>
                        <ItemTemplate>
                            <asp:Label ID="lbl_itemempDept" runat="server" Text='<%#Eval("Emp_Dept") %>' />
                        </ItemTemplate>
                        <FooterTemplate>
                            <asp:TextBox ID="txt_ftrempDept" runat="server" />
                            <asp:RequiredFieldValidator ID="rfv_empDept" runat="server" ControlToValidate="txt_ftrempDept" ValidationGroup="v1" />
                        </FooterTemplate>
                    </asp:TemplateField>

                    <asp:TemplateField>
                        <EditItemTemplate>
                            <asp:ImageButton ID="img_update" CommandName="Update" runat="server" ImageUrl="~/Images/updateButton.jpg" Height="10px" Width="10px" />
                            <asp:ImageButton ID="img_cancel" runat="server" CommandName="Cancel" ImageUrl="~/Images/CancelButton.jpg" Height="10px" Width="10px" />
                        </EditItemTemplate>
                        <ItemTemplate>
                            <asp:ImageButton ID="img_Edit" CommandName="Edit" runat="server" ImageUrl="~/Images/EditButton.jpg" Height="10px" Width="10px" />
                            <asp:ImageButton ID="img_Delete" CommandName="Delete" Text="Edit" runat="server" ImageUrl="~/Images/deleteButton.jpg" Height="10px" Width="10px" />
                        </ItemTemplate>
                        <FooterTemplate>
                            <asp:ImageButton ID="img_Add" runat="server" ImageUrl="~/Images/AddButton.jpg" CommandName="AddEmp" Width="10px" Height="10px" ValidationGroup="v1" />
                        </FooterTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>
        </div>

gridview in .aspx.cs page code

 public partial class _Default : System.Web.UI.Page
{
    /// <summary>
    /// page load
    /// </summary>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                GetEmployee();
            }
        }

    /// <summary>
    /// Get the connection between to DB
    /// </summary>
        static string _strCon = "Data Source=.;Integrated Security=true;Initial Catalog=empDB";
        SqlConnection con = new SqlConnection(_strCon);
        SqlCommand cmd = new SqlCommand();
        SqlDataAdapter da = new SqlDataAdapter();

    /// <summary>
    /// Edit to the employee
    /// </summary>
        protected void grdEmpDetails_RowEditing(object sender, GridViewEditEventArgs e)
        {
            grdEmpDetails.EditIndex = e.NewEditIndex;
            GetEmployee();
        }

    /// <summary>
    /// update to employee
    /// </summary>
        protected void grdEmpDetails_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            int empId = Convert.ToInt32(grdEmpDetails.DataKeys[e.RowIndex].Value.ToString());
            string Empname = grdEmpDetails.DataKeys[e.RowIndex].Values["Emp_Name"].ToString();

            TextBox txtDep = (TextBox)grdEmpDetails.Rows[e.RowIndex].FindControl("txt_ftrempDept");

            con.Open();
            cmd = new SqlCommand("update Employees set Emp_Dept='" + txtDep.Text + "' where emp_Id=" + empId, con);
            cmd.ExecuteNonQuery();
            con.Close();
            lblMsg.Text ="Updated successfully.";
            grdEmpDetails.EditIndex = -1;
            GetEmployee();
        }

    /// <summary>
    ///  cancel to edit mode
    /// </summary>
        protected void grdEmpDetails_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
        {
            grdEmpDetails.EditIndex = -1;
            GetEmployee();
        }

    /// <summary>
    ///
    /// </summary>
        protected void grdEmpDetails_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            int empId = Convert.ToInt32(grdEmpDetails.DataKeys[e.RowIndex].Values["emp_Id"].ToString());
            string Empname = grdEmpDetails.DataKeys[e.RowIndex].Values["Emp_Name"].ToString();

            con.Open();
            cmd = new SqlCommand("delete from Employees where emp_Id=" + empId, con);
            int result = cmd.ExecuteNonQuery();
            con.Close();
            if (result >= 1)
            {
                GetEmployee();
                lblMsg.Text ="deleted successfully.";
            }
        }

        protected void grdEmpDetails_RowCommand(object sender, GridViewCommandEventArgs e)
        {
           if (e.CommandName.Equals("AddEmp"))
           {
               TextBox txtEmpname = (TextBox)grdEmpDetails.FooterRow.FindControl("txt_ftrempnmae");
               TextBox txtDep = (TextBox)grdEmpDetails.FooterRow.FindControl("txt_ftrempDept");
               con.Open();
               cmd = new SqlCommand("insert into Employees values('" + txtEmpname.Text + "','" + txtDep.Text + "')", con);
               int result= cmd.ExecuteNonQuery();
               con.Close();
                   if(result==1)
                   {
                       GetEmployee();
                       lblMsg.Text = "Inserted successfully.";
                   }
                   else
                   {
                       lblMsg.Text ="Not inserted.";
                   }              

           }          

        }

        /// <summary>
        /// Get the employees
        /// </summary>
        public void GetEmployee()
        {
            con.Open();
            cmd = new SqlCommand("Select Emp_Id,Emp_Name,Emp_Dept from Employees", con);
            da = new SqlDataAdapter(cmd);
            DataSet ds = new DataSet();
            da.Fill(ds);
            con.Close();
            if (ds.Tables[0].Rows.Count > 0)
            {
                grdEmpDetails.DataSource = ds;
                grdEmpDetails.DataBind();
            }
            else
            {
                ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());
                grdEmpDetails.DataSource = ds;
                grdEmpDetails.DataBind();

                int count = grdEmpDetails.Rows[0].Cells.Count;
                grdEmpDetails.Rows[0].Cells.Clear();
                grdEmpDetails.Rows[0].Cells.Add(new TableCell());
                grdEmpDetails.Rows[0].Cells[0].ColumnSpan = count;
                grdEmpDetails.Rows[0].Cells[0].Text = "Records not Found";
            }
        }
    }
ANIL SINGH

Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..

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Insert Edit update and delete from gridview in asp.net with c# Insert Edit update and delete from gridview in asp.net with c# Reviewed by Unknown on 2:35 AM Rating: (5)
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