I had url http://website.aspx make a control center page in aspx from there button click go to that url make card of that mainpage.aspx in controlcenter.aspx

public partial class ControlCenter : System.Web.UI.Page
    {
        GetData GetConn = new GetData();
        //protected PlaceHolder cardContainer;
        protected Panel cardContainer;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                DataTable dt = this.BindMenuData();
                DynamicMenuControlPopulation(dt, 0, null);

            }
     protected DataTable BindMenuData()
        {
            DataSet ds = new DataSet();
            DataTable dt;

            dt = new DataTable();
            string s = "select * from cmsproject where ShowProject=1 order by SerialNo";
            dt = GetConn.getdata(s);
            ds.Tables.Add(dt);
            var dv = ds.Tables[0].DefaultView;
            //dv.RowFilter = "ProjectEntryID='" + parentmenuId + "'";
            DataSet ds1 = new DataSet();
            var newdt = dv.ToTable();
            return newdt;
        }
        protected void DynamicMenuControlPopulation(DataTable newdt, int parentMenuId, MenuItem parentMenuItem)
        {
            string currentPage = Path.GetFileName(Request.Url.AbsolutePath);

            foreach (DataRow row in newdt.Rows)
            {
                MenuItem menuItem = new MenuItem
                {
                    Value = row["ProjectEntryID"].ToString(),
                    Text = row["ProjectName"].ToString(),
                    NavigateUrl = row["ProjectURL"].ToString().Trim(),
                    Selected = row["ProjectURL"].ToString().EndsWith(currentPage, StringComparison.CurrentCultureIgnoreCase)
                };
                Menu1.Items.Add(menuItem);

                // Create a div element for the card
                HtmlGenericControl cardDiv = new HtmlGenericControl("div");
                cardDiv.Attributes["class"] = "card";

                // Create a hyperlink for the card
                HyperLink cardLink = new HyperLink
                {
                    NavigateUrl = row["ProjectURL"].ToString().Trim(),
                    Text = row["ProjectName"].ToString()
                };

                // Add the hyperlink to the card div
                cardDiv.Controls.Add(cardLink);

                // Add the card div to the PlaceHolder
                cardContainer.Controls.Add(cardDiv);
            }
        }

        private DataTable GetDataFromSource()
        {
            // Implement a method to fetch data from your data source (e.g., database)
            // For simplicity, this example returns a DataTable with dummy data
            DataTable dt = new DataTable();
            dt.Columns.Add("ProjectURL", typeof(string));
            dt.Columns.Add("ProjectName", typeof(string));
                    
            dt.Rows.Add("http://120.120.120.167/cms/hrms/LoginPage.aspx", "Card HRMS");
            dt.Rows.Add("http://120.120.120.167/cms/cpp/LoginPage.aspx", "Card CPP");
            dt.Rows.Add("url3", "Card 3");
                      return dt;
        }
}}

CREATE TABLE [dbo].[CMSProject](
	[ProjectEntryID] [int] IDENTITY(1,1) NOT NULL,
	[ProjectName] [nvarchar](200) NOT NULL,
	[ProjectURL] [nvarchar](200) NULL,
	[ShowProject] [bit] NULL,
	[SerialNo] [int] NULL,
	[Description] [nvarchar](400) NULL)