Conversion from type 'DBNull' to type 'String' is not valid.Microsoft.VisualBasic at Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) at en_menu.visualizzaLink(Int32 a_ID, Boolean a_modificabile, Object a_link) at ASP.en_menu_ascx.__DataBinding__control5(Object sender, EventArgs e) at System.Web.UI.Control.OnDataBinding(EventArgs e) at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) at System.Web.UI.Control.DataBind() at System.Web.UI.Control.DataBindChildren() at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) at System.Web.UI.Control.DataBind() at System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem) at System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource) at System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) at System.Web.UI.WebControls.Repeater.DataBind() at System.Web.UI.Control.DataBindChildren() at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) at System.Web.UI.Control.DataBind() at en_menu.Page_Load(Object sender, EventArgs e) Archaeological Museum of Adrano Catania Sicily | Didattica
Museum of Adrano, archaeology and history under the volcano