Search record from multiple database column of Table in ASP.Net

Hi sthsyed,

Check this example. Now please take its reference and correct your code.

HTML

Search MobileNo:
<asp:TextBox ID="txtSearch" runat="server"></asp:TextBox>
<asp:Button ID="Button1" Text="Search" runat="server" OnClick="Search" />
<hr />
<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:BoundField DataField="PhoneNo" HeaderText="PhoneNo" />
        <asp:BoundField DataField="MobileNo" HeaderText="MobileNo" />
        <asp:BoundField DataField="HomeNo" HeaderText="HomeNo" />
        <asp:BoundField DataField="HomeMobileNo" HeaderText="HomeMobileNo" />
    </Columns>
</asp:GridView>

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)
    {
        this.Search();
    }
}
private void Search()
{
    string constr = ConfigurationManager.ConnectionStrings["ConString"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand())
        {
            string sql = "SELECT PhoneNo, MobileNo, HomeNo, HomeMobileNo FROM SearchMobileNo";
            cmd.CommandText = sql;
            cmd.Connection = con;
            using (SqlDataAdapter sda = new SqlDataAdapter(cmd))
            {
                DataTable dt = new DataTable();
                sda.Fill(dt);
                gvCustomers.DataSource = dt;
                gvCustomers.DataBind();
            }
        }
    }
}
protected void Search(object sender, EventArgs e)
{
    string constr = ConfigurationManager.ConnectionStrings["ConString"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand())
        {
            string sql = "SELECT PhoneNo, MobileNo, HomeNo, HomeMobileNo FROM SearchMobileNo WHERE SUBSTRING(MobileNo,0,9) LIKE @MobileNo + '%' OR SUBSTRING(PhoneNo,1,8) LIKE @MobileNo + '%' OR SUBSTRING(HomeNo,1,8) LIKE @MobileNo + '%'  OR SUBSTRING(HomeMobileNo,1,8) LIKE @MobileNo + '%'  ";
            if (!string.IsNullOrEmpty(txtSearch.Text.Trim()))
            {
                cmd.Parameters.AddWithValue("@MobileNo", txtSearch.Text.Trim());
            }
            cmd.CommandText = sql;
            cmd.Connection = con;
            using (SqlDataAdapter sda = new SqlDataAdapter(cmd))
            {
                DataTable dt = new DataTable();
                sda.Fill(dt);
                gvCustomers.DataSource = dt;
                gvCustomers.DataBind();
            }
        }
    }
}

VB.Net

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

Private Sub Search()
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString

    Using con As SqlConnection = New SqlConnection(constr)
        Using cmd As SqlCommand = New SqlCommand()
            Dim sql As String = "SELECT PhoneNo, MobileNo, HomeNo, HomeMobileNo FROM SearchMobileNo"
            cmd.CommandText = sql
            cmd.Connection = con
            Using sda As SqlDataAdapter = New SqlDataAdapter(cmd)
                Dim dt As DataTable = New DataTable()
                sda.Fill(dt)
                gvCustomers.DataSource = dt
                gvCustomers.DataBind()
            End Using
        End Using
    End Using
End Sub

Protected Sub Search(ByVal sender As Object, ByVal e As EventArgs)
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection(constr)
        Using cmd As SqlCommand = New SqlCommand()
            Dim sql As String = "SELECT PhoneNo, MobileNo, HomeNo, HomeMobileNo FROM SearchMobileNo WHERE SUBSTRING(MobileNo,0,9) LIKE @MobileNo + '%' OR SUBSTRING(PhoneNo,1,8) LIKE @MobileNo + '%' OR SUBSTRING(HomeNo,1,8) LIKE @MobileNo + '%'  OR SUBSTRING(HomeMobileNo,1,8) LIKE @MobileNo + '%'  "

            If Not String.IsNullOrEmpty(txtSearch.Text.Trim()) Then
                cmd.Parameters.AddWithValue("@MobileNo", txtSearch.Text.Trim())
            End If
            cmd.CommandText = sql
            cmd.Connection = con
            Using sda As SqlDataAdapter = New SqlDataAdapter(cmd)
                Dim dt As DataTable = New DataTable()
                sda.Fill(dt)
                gvCustomers.DataSource = dt
                gvCustomers.DataBind()
            End Using
        End Using
    End Using
End Sub

Screenshot