Application Runs But No Data is Displayed
A potentially dangerous Request.Form value was detected from the client ...
A potentially dangerous Request.QueryString value was detected from the client...
A record you were attempting to delete or modify is referenced by other records...
A value for XXX is required...
Ambiguous match found. An unhandled exception occurred...
Cannot update data: While you were editing, another user may...
Cannot update [tablename]. The data you entered conflicts...
Could not find stored procedure...
Could not load file or assembly System.Data.SqlServerCe
Could not load file or assembly System.Web.DataVisualization
Could not load file or assembly System.Web.Extensions
Could not load type System.DateTimeOffset from assembly mscorlib...
Enter username and password for...
Error committing transaction...
Failed to access IIS metabase...
Failed to load Crystal Reports. Parameters might be missing.
Failed to start monitoring file changes
File or assembly name xxx.DLL, or one of its dependencies...
HTTP Error 401.2 - Unauthorized...
HTTP Error 403 - Forbidden. You are not authorized to view this page...
HTTP Error 404 - Page Not Found
HTTP Error 500 - Page Cannot be Displayed
HTTP Error 500.19 - Internal Server Error
HttpException (0x80004005): Request timed out...
Incompatible Database Version. If this was a compatible file, run repair
INSERT failed because the following SET options...
Internal Server Error. The requested web page either has an error or does not exist...
Microsoft.ACE.OLEDB.12 provider is not registered on the local machine...
Microsoft.Jet.OLEDB.4.0 provider is not registered...
No value given for one or more required parameters...
No website configured at this address...
Object reference not set to an instance of an object
OleDbException, Unspecified Error...
OraOLEDB.Oracle provider is not registered ...
ORA-00942: Table or view does not exist
ORA-01455: Converting column overflows ...
ORA-06550: line XX, column YY: PL/SQL: Statement ignored.
ORA-12154: TNS:could not resolve service name
ORA-12571: TNS:packet writer failure
Parser Error: Access is denied...
Parser Error: Child nodes are not allowed
Parser Error: Could not load type...
Parser Error: Could not load file or assembly System.Data.Entity...
Parser Error: Could not load file or assembly System.Web.Abstractions, Version=3.5.0.0...
Parser Error: Could not load type Microsoft.Web.Services.ScriptModule...
Parser Error: The base class includes the field XXX, but its type is not compatible
Parser Error: Unknown server tag asp:ScriptManager
Parser Error: Unknown server tag atlas:ScriptManage
Parser Error: Unrecognized attribute type...
Parser Error: Unrecognized attribute validateRequest...
Parser Error: Type XXX does not...
Parser Error: XXX is not a valid identifier...
Problems with this Web page might prevent it from being displayed properly...
Script Error: Object doesnt support property or method attachEvent
Security Exception, AspNetHostingPermission Error ...
Security Exception, ConfigurationPermission Error ...
SELECT command denied to user user@host for Table table
Server Application Unavailable
SQL command busy open, fetching...
SQL server does not exist or access denied...
Sys.WebForms.PageRequestManagerParserErrorException...
System.ApplicationException: Access is denied...
System.Data.OracleClient requires Oracle client software version 8.1.7 or greater
System.IO.FileNotFoundException
System.Net.Mail.SmtpException...
The database file has been created by an earlier version of SQL Server Compact
The directory App_GlobalResources is not allowed because the application is precompiled...
The file XXX.xls may contain features that are not compatible with XML Spreadsheet 2003...
The file you are trying to open is in a different format than specified by the file extension...
The Microsoft Jet database engine cannot open...
The requested record could not be retrieved
The type System.Data.OracleClient.OracleType is defined in an assembly...
The XML page cannot be displayed...
Timeout expired. The timeout period elapsed prior to completion...
Unrecognized attribute targetFramework
Unable to access data. Please contact your system administrator or customer support...
Unable to authenticate user...
Unable to connect to database...
Unable to convert MySQL date/time value to System.DateTime
Unable to find entry point name...
Unable to get record: XXX. The record ID is not unique.
Unable to get the InnerRecord for the specified column...
Unable to make the session state request...
Unable to update record. Operation must use an updateable query...
Unable to update the transaction record cache...
Unspecified Error. Designer.mdb...
Unspecified Error. Ensure that MDAC 2.6 or higher is installed in the machine ...
Validation of viewstate MAC failed...
View or function XXX is not updatable because the modification affects multiple base tables
Virtual directory does not exist
XXX is a reserved identifier...
You can only have one <head runat=server> control on a page...
You must enter a value for all required fields
Here is Microsoft's list of error messages that may be encountered when running applications: