MS SQL Server :: Cannot Open Connection To Access Database.

.Net 2003 Access Crystal Report XI: Error:Failed To Open The Connection: [Database Vendor Code: 17 ]

Sep 19, 2006

I am receving this error: Failed to open the connection: [Database Vendor Code: 17 ], from .Net 2003/C# to Crystal Report XI with SQL Server 2000 has backend database.

Is there a security permission that has been overlooked?

Here is the code I use to access CR XI

ConnectionInfo connectionInfo = new ConnectionInfo();
TableLogOnInfo tableLogOnInfo;
Database DB;
'CrystalDecisions.CrystalReports.Engine.Table' table;
Tables tables;

//Log in
connectionInfo.ServerName = "ServerName";
connectionInfo.DatabaseName = "Database Namet";
connectionInfo.UserID = "userid";
connectionInfo.Password = "password";

//Get Table inf from report
DB = reportDocument..Database;
tables = DB.Tables;

//Looping through all the tables in CR and apply connection info
for(int i = 0; i < tables.Count; i++)
{
table = tables[ i ];
tableLogOnInfo = table.LogOnInfo;
tableLogOnInfo.ConnectionInfo = connectionInfo;
table.ApplyLogOnInfo(tableLogOnInfo);

}

CrystalReportViewer.ReportSource = ReportDocument.ReportSource;
CrystalReportViewer.Visible = true;

Any advise would be helpful.
Thank you

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Nov 21, 2007

Hello,

          I receive
this error when choosing the data connection in TableAdapter Wizard for me to
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Failed to open a connection to the database

"The header for file
'C:InetpubwwwrootWebsites4App_DataASPNETDB.MDF is not valid databasefile header. The FILE SIZE property is incorrect.An attempt to attach an auto-named database exists, or
specified file cannotbe opened, or it is located on UNC share."

Check the connection and try again.

I already have the connection at config but the error
persists.

...
<connectionStrings>    <add
name="ConnectionString1" connectionString="Data
Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|mydatabase.mdf;Integrated
Security=True"providerName="System.Data.SqlClient" />    <add
name="ASPNETDBConnectionString1" connectionString="DataSource=.SQLEXPRESS;AttachDbFilename=|DataDirectory|ASPNETDB.MDF;Integrated
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Nov 4, 2007

Database Connection - Don't have permission to open file

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I'm using the database explorer/add connection wizard.
On the add connection dialog window when i browse and select the db file to connect to i'm getting the message
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I have SQL Server Express 2005 and SQL Server Management Studio Express installed.
Within the management studio at the server security level i'm mapped to the db file
(Mine.mdf) and have db_owner and public ticked and have also set the default database
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At the database security level under usersproperties i have also ticked db_owner.
Also when i select properties for the db file itself it's telling me that i'm the owner.

I'm also using vista home premium edition and using windows authentication instead of
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I'm fairly new to all this so there may be something glaringly obvious i've missed!

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Apr 1, 2004

hi there,

we can�t open most of the sql server tables from our Access
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extended property problems.

trying to open any table will result in the information
"The stored procedure has been executed but did not return
any records" after the first try
and later on nothing will happen any more; tables won�t
open.

basically this started to happen after recreating the sql
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Article - 318989:
collation of the server is Latin1_General_CI_AS
collation of the old database was
SQL_Latin1_General_CP1_CI_AS, which led to the error
described in the article.
collation of the new database is set to <Database
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anybody some good help on that?

ps: we can�t really rebuild the user database all the
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Feb 1, 2007

This is my page_loads event code and iam getting the Exception pasted below the code.
-----------------------------------------------------------------------------------------------------------------------------------------------------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
If Not Page.IsPostBack Then
Dim myconnection As New SqlConnection("Data Source=localhostSQLEXPRESS;initial catalog = safetydata.mdf;Integrated Security=True;User Instance=True")
Dim strSQL As String = "SELECT Incident_Id,Emp_No From Report_Incident"
Dim mycommand As New SqlCommand(strSQL, myconnection)
myconnection.Open()
Dim reader As SqlDataReader = mycommand.ExecuteReader()

Dim chart As New PieChart
chart.DataSource = reader
chart.DataXValueField = "Incident_id"
chart.DataYValueField = "Emp_No"
chart.DataBind()

chart.DataLabels.Visible = True

ChartControl1.Charts.Add(chart)
ChartControl1.RedrawChart()
myconnection.Open()

End If
End Sub
-------------------------------------------------------------------------------------------------------------------------------
EXCEPTION IS BELOW
Cannot open database "mydatabase.mdf" requested by the login. The login failed.Login failed for user 'myusername'.
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.Data.SqlClient.SqlException: Cannot open database "safetydata.mdf" requested by the login. The login failed.Login failed for user 'myusername'.Source Error:

Line 18: Dim strSQL As String = "SELECT Incident_Id,Emp_No From Report_Incident"
Line 19: Dim mycommand As New SqlCommand(strSQL, myconnection)
Line 20: myconnection.Open()
Line 21: Dim reader As SqlDataReader = mycommand.ExecuteReader()
Line 22: Source File: C:Incident Reporting System--Trial VersionWebChart.aspx Line: 20 Stack Trace:

[SqlException (0x80131904): Cannot open database "safetydata.mdf" requested by the login. The login failed.
Login failed for user 'myusername'.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +171
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +199
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2305
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +34
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +606
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +193
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +501
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +429
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +70
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +512
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +85
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +89
System.Data.SqlClient.SqlConnection.Open() +160
ASP.webchart_aspx.Page_Load(Object sender, EventArgs e) in C:Incident Reporting System--Trial VersionWebChart.aspx:20
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +13
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +45
System.Web.UI.Control.OnLoad(EventArgs e) +80
System.Web.UI.Control.LoadRecursive() +49
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3745

Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.

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