Server Error in '/' Application.

La conversión del tipo 'DBNull' en el tipo 'String' no es válida.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: La conversión del tipo 'DBNull' en el tipo 'String' no es válida.

Source Error:


Line 294:					End If
Line 295:				%></div>
Line 296:				<div class="notSubTit"><%=HttpUtility.HtmlEncode(lector("r_subtitulo" & add))%></div>
Line 297:			</div>
Line 298:

Source File: E:\askNet\webs\cudeca.org\app\eng\eventos\app\app.aspx Line: 296

Stack Trace:


[InvalidCastException: La conversión del tipo 'DBNull' en el tipo 'String' no es válida.]
   Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) +452836
   ASP.app_eng_eventos_app_app_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in E:\askNet\webs\cudeca.org\app\eng\eventos\app\app.aspx:296
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +256
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1266

Version Information: Microsoft .NET Framework Version:2.0.50727.4234; ASP.NET Version:2.0.50727.4223