ASP.NET - el nombre de tipo imageURL no existe en el tipo Image, cambio de vb a c# asp.net

protected void gvEjemplo_RowDataBound(object sender, GridViewRowEventArgs e)

{

    if (e.Row.RowType == DataControlRowType.DataRow)

    {

        try

        {

            DataRowView dr = (DataRowView)e.Row.DataItem;

            string imageUrl = "data:image/jpg;base64," + Convert.ToBase64String((byte[])dr["Imagen"]);

            e.Row.FindControl("ImgEjemplo") as Image.imageUrl = imageUrl;

        }

        catch (Exception ex)

        {

        }

    }

}

System.Web.UI.WebControls.Image.ImageUrl

using System.Web.UI.WebControls;

e.Row.FindControl("ImgGridViewEjemplo") as System.Web.UI.WebControls.Image.ImageUrl = imageUrl;

Image img = new Image();

e.Row.FindControl("ImgEjemplo") as img.ImageUrl = imageUrl;

using System.Web.UI.WebControls;

Image img = new System.Web.UI.WebControls.Image();

e.Row.FindControl("ImgGirdViewEjemplo") as img.ImageUrl = imageUrl;

((e.Row.FindControl("ImgGirdViewEjemplo")) as Image).ImageUrl = imageUrl;