Display record in GridView and count in Label from Database in ASP.Net

Hi micah,

Please refer below sample.

HTML

<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:BoundField DataField="OrderId" HeaderText="Id" />
        <asp:BoundField DataField="Freight" HeaderText="Freight" />
    </Columns>
</asp:GridView>
<br />
<asp:Label ID="lblCount" runat="server" />

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)
    {
        DataTable dt = GetCustomerDetail();
        gvCustomers.DataSource = dt;
        gvCustomers.DataBind();
        CountCustomerId();
    }
}

private DataTable GetCustomerDetail()
{
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand("SELECT OrderID, Freight FROM Orders WHERE CustomerID = 'ALFKI'", con))
        {
            using (SqlDataAdapter da = new SqlDataAdapter(cmd))
            {
                DataTable dt = new DataTable();
                da.Fill(dt);
                return dt;
            }
        }
    }
}

public void CountCustomerId()
{
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand("SELECT COUNT(CustomerID) as TotalCount FROM Orders WHERE CustomerID = 'ALFKI'", con))
        {
            con.Open();
            string count = cmd.ExecuteScalar().ToString();
            con.Close();
            lblCount.Text = "Customer Order Count is : <b>" + count + "</b>";
        }
    }
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        Dim dt As DataTable = GetCustomerDetail()
        gvCustomers.DataSource = dt
        gvCustomers.DataBind()
        CountCustomerId()
    End If
End Sub

Private Function GetCustomerDetail() As DataTable
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection(constr)
        Using cmd As SqlCommand = New SqlCommand("SELECT OrderID, Freight FROM Orders WHERE CustomerID = 'ALFKI'", con)
            Using da As SqlDataAdapter = New SqlDataAdapter(cmd)
                Dim dt As DataTable = New DataTable()
                da.Fill(dt)
                Return dt
            End Using
        End Using
    End Using
End Function

Public Sub CountCustomerId()
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection(constr)
        Using cmd As SqlCommand = New SqlCommand("SELECT COUNT(CustomerID) as TotalCount FROM Orders WHERE CustomerID = 'ALFKI'", con)
            con.Open()
            Dim count As String = cmd.ExecuteScalar().ToString()
            con.Close()
            lblCount.Text = "Customer Order Count is : <b>" & count & "</b>"
        End Using
    End Using
End Sub

Screenshot