Create Bootstrap Cards with record from Database using C# and VB.Net

Hi ramco1917,

Please refer below sample.

HTML

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" />
<script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js"></script>
<asp:Repeater ID="rptDetails" runat="server">
    <ItemTemplate>
        <div class="card card_content">
            <ul class="list-group list-group-flush">
                <li class="list-group-item">
                    <div class="user_tag"><%#Eval("CustomerID") %></div>
                    <div class="delivery-details">
                        <h5><%#Eval("Name") %></h5>
                        <p><%#Eval("Country") %></p>
                    </div>
                </li>
            </ul>
        </div>
    </ItemTemplate>
</asp:Repeater>

Namespace

C#

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

VB.Net

Imports System.Data
Imports System.Configuration
Imports System.Data.SqlClient

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if(!this.IsPostBack)
    {
        this.BindRepeater();
    }
}
private void BindRepeater()
{
    string conString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using(SqlConnection con = new SqlConnection(conString))
    {
        using(SqlCommand cmd = new SqlCommand("SELECT CustomerId, Name, Country FROM Customers",con))
        {
            using(SqlDataAdapter sda = new SqlDataAdapter(cmd))
            {
                DataTable dt = new DataTable();
                sda.Fill(dt);
                rptDetails.DataSource = dt;
                rptDetails.DataBind();
            }
        }
    }
}

VB.Net

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

Private Sub BindRepeater()
    Dim conString As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection(conString)
        Using cmd As SqlCommand = New SqlCommand("SELECT CustomerId, Name, Country FROM Customers", con)
            Using sda As SqlDataAdapter = New SqlDataAdapter(cmd)
                Dim dt As DataTable = New DataTable()
                sda.Fill(dt)
                rptDetails.DataSource = dt
                rptDetails.DataBind()
            End Using
        End Using
    End Using
End Sub

Screenshot