Insert record in Database from ASP.Net GridView Header TextBox using C# and VB.Net

Hi smile,

Please refer below sample.

HTML

<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:TemplateField HeaderText="CustomerId">
            <HeaderTemplate>
                Id
                <br />
                <asp:TextBox runat="server" Text="" ID="txtId" />
            </HeaderTemplate>
            <ItemTemplate>
                <asp:Label Text='<%#Eval("CustomerId") %>' ID="lblId" runat="server" />
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="Name">
            <HeaderTemplate>
                Name
                <br />
                <asp:TextBox runat="server" Text="" ID="txtName" />
            </HeaderTemplate>
            <ItemTemplate>
                <asp:Label Text='<%#Eval("Name") %>' ID="lblName" runat="server" />s
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="Country">
            <HeaderTemplate>
                Country
                <br />
                <asp:TextBox runat="server" Text="" ID="txtCountry" />
            </HeaderTemplate>
            <ItemTemplate>
                <asp:Label Text='<%#Eval("Country") %>' ID="lblCountry" runat="server" />
            </ItemTemplate>
        </asp:TemplateField>
    </Columns>
</asp:GridView>
<asp:Button Text="Insert" runat="server" OnClick="Insert" />

Namespaces

C#

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

VB.Net

Imports System.Data.SqlClient
Imports System.Data

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        BindGrid();
    }
}

private void BindGrid()
{
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    SqlConnection con = new SqlConnection(constr);
    SqlCommand cmd = new SqlCommand("SELECT * FROM TestDemo", con);
    SqlDataAdapter da = new SqlDataAdapter(cmd);
    DataTable dt = new DataTable();
    da.Fill(dt);
    gvCustomers.DataSource = dt;
    gvCustomers.DataBind();
}

protected void Insert(object sender, EventArgs e)
{
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    string customerid = (gvCustomers.HeaderRow.FindControl("txtId") as TextBox).Text;
    string name = (gvCustomers.HeaderRow.FindControl("txtName") as TextBox).Text;
    string country = (gvCustomers.HeaderRow.FindControl("txtCountry") as TextBox).Text;
    SqlConnection con = new SqlConnection(constr);
    SqlCommand cmd = new SqlCommand("INSERT INTO TestDemo VALUES(@customerid, @name, @country)", con);
    cmd.Parameters.AddWithValue("@customerid", customerid);
    cmd.Parameters.AddWithValue("@name", name);
    cmd.Parameters.AddWithValue("@country", country);
    con.Open();
    cmd.ExecuteNonQuery();
    con.Close();
    BindGrid();
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        BindGrid()
    End If
End Sub

Private Sub BindGrid()
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Dim con As SqlConnection = New SqlConnection(constr)
    Dim cmd As SqlCommand = New SqlCommand("SELECT * FROM TestDemo", con)
    Dim da As SqlDataAdapter = New SqlDataAdapter(cmd)
    Dim dt As DataTable = New DataTable()
    da.Fill(dt)
    gvCustomers.DataSource = dt
    gvCustomers.DataBind()
End Sub

Protected Sub Insert(ByVal sender As Object, ByVal e As EventArgs)
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Dim customerid As String = (TryCast(gvCustomers.HeaderRow.FindControl("txtId"), TextBox)).Text
    Dim name As String = (TryCast(gvCustomers.HeaderRow.FindControl("txtName"), TextBox)).Text
    Dim country As String = (TryCast(gvCustomers.HeaderRow.FindControl("txtCountry"), TextBox)).Text
    Dim con As SqlConnection = New SqlConnection(constr)
    Dim cmd As SqlCommand = New SqlCommand("INSERT INTO TestDemo VALUES(@customerid, @name, @country)", con)
    cmd.Parameters.AddWithValue("@customerid", customerid)
    cmd.Parameters.AddWithValue("@name", name)
    cmd.Parameters.AddWithValue("@country", country)
    con.Open()
    cmd.ExecuteNonQuery()
    con.Close()
    BindGrid()
End Sub

Screenshot