Populate Label from database in other page in ASP.Net using C# and VB.Net

indradeo

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User: indradeo
Posted: on Feb 03, 2022 09:40 PM
Forum: ASP.Net Web Forms
Answer: 1
Views: 1587

Populate value on other page from databasein C#

namespace OCMS
{
    public partial class It_Comp : System.Web.UI.Page
    {

        protected void Page_Load(object sender, EventArgs e)
        {
            string IPAdd = string.Empty;
            IPAdd = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            if (string.IsNullOrEmpty(IPAdd))
                IPAdd = Request.ServerVariables["REMOTE_ADDR"];
            lblIP.Text = IPAdd;
            if (!Page.IsPostBack)
            {
                ReadOnlyTextBox.Text = "IT COMPLAINT";
                lblName.Text = " " + Request.QueryString["EmpId"] + "";
                BindGrid();
                this.StoreVisitorIPDetails();
            }

            SqlConnection con = new SqlConnection("Data Source=10.1.246.4;Initial Catalog=OCMS;User ID=dba_ntpc_meja_intranet;Password=alpha$890;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False");
            con.Open();
            SqlCommand cmd = new SqlCommand("Select * from emp WHERE EMP_ID=@Id", con);
            cmd.Parameters.AddWithValue("@Id", lblName.Text);
            SqlDataReader dr = cmd.ExecuteReader();
            if (dr.Read())
            {
                Label1.Text = dr["PHONE_MOB"].ToString();
            }
        }


       
        private void StoreVisitorIPDetails()
        {
            string employeeId = lblName.Text.Trim();
            string ipAddress;
            // Gets Client IP Address
            ipAddress = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            if (ipAddress == "" || ipAddress == null)
                ipAddress = Request.ServerVariables["REMOTE_ADDR"];


            string strConnString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
            SqlConnection con = new SqlConnection(strConnString);

            SqlCommand cmd = new SqlCommand("StoreIPAddressDetails");
            cmd.CommandType = CommandType.StoredProcedure;

            cmd.Parameters.AddWithValue("@IPAddress", ipAddress);
            cmd.Parameters.AddWithValue("@EMP_ID", employeeId);

            cmd.Connection = con;
            con.Open();

            cmd.ExecuteNonQuery();

            con.Close();
            con.Dispose();
        }
        protected void LinkButton1_Click(object sender, EventArgs e)
        {

            Response.Redirect("Index.aspx?EmpId=" + lblName.Text.Trim());
        }
    }
}

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RahulYad...

0 2

Reply
ANSWER
User: RahulYadav
Replied: on Feb 04, 2022 12:00 AM
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Hi Indradeo,

Please refer below sample.

Database

For this example I have used of Northwind database that you can download using the link given below.

Download Northwind Database

HTML

Default

<table>
    <tr>
        <td>
            <asp:TextBox ID="txtId" runat="server"></asp:TextBox></td>
    </tr>
    <tr>
        <td>
            <asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="Submit" /></td>
    </tr>
</table>

Home

<table>
    <tr>
        <td>Id:
            <asp:Label ID="lblMobileNo" runat="server"></asp:Label></td>
    </tr>
    <tr>
        <td>Phone:
            <asp:Label ID="lblMessage" runat="server"></asp:Label></td>
    </tr>
</table>

Namespaces

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

VB.Net

Imports System.Data.SqlClient
Imports System.Configuration

Code

Default

protected void Submit(object sender, EventArgs e)
{
    Response.Redirect("Home.aspx?EmpId=" + txtId.Text.Trim());
}

Home

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        lblMobileNo.Text = Request.QueryString["EmpId"];

        string conString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
        using (SqlConnection con = new SqlConnection(conString))
        {
            using (SqlCommand cmd = new SqlCommand("SELECT HomePhone FROM Employees WHERE EmployeeId=@Id", con))
            {
                cmd.Parameters.AddWithValue("@Id", lblMobileNo.Text);
                con.Open();
                lblMessage.Text = Convert.ToString(cmd.ExecuteScalar());
                con.Close();
            }
        }
    }
}

VB.Net

Default

Protected Sub Submit(ByVal sender As Object, ByVal e As EventArgs)
    Response.Redirect("Home.aspx?EmpId=" & txtId.Text.Trim())
End Sub

Home

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        lblMobileNo.Text = Request.QueryString("EmpId")
        Dim conString As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
        Using con As SqlConnection = New SqlConnection(conString)
            Using cmd As SqlCommand = New SqlCommand("SELECT HomePhone FROM Employees WHERE EmployeeId=@Id", con)
                cmd.Parameters.AddWithValue("@Id", lblMobileNo.Text)
                con.Open()
                lblMessage.Text = Convert.ToString(cmd.ExecuteScalar())
                con.Close()
            End Using
        End Using
    End If
End Sub

Screenshot

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Populate Label from database in other page in ASP.Net using C# and VB.Net

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