Help Needed In Merge Replication, SQL Server 2005 Mobile Edition And VC# 2005

Apr 10, 2008

I have written following code in my application

I just want to display all the data of a Single table into a Data Grid, I know that we can drag and drop the table on to a form and datagrid is generated, but here I want to retrive those values through my code, how should i do that

I am getting following errors while running the program
Error 1) Error No. 28037, MS SQL Server 2005 Evrywhere Edition
Error: A request to send data to the computer running IIS has failed. For more information see HRESULT
Error 2) Error No. 0, SQL Server 2005 Evrywhere Edition ADO.Net Data Provider
Error: The specified table does not exist [ JobLists ].

Can anybody please tell me, where I went wrong ??? In this code anywhere else????

Note: While adding a Data Source of SQL Server 2005 Mobile Edition, I have added that .sdf file into my project, thats why I have written the Data Source as : .DbFile.sdf



@"Data Source = .DbDotNetCF.sdf";


The code is as follows:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlServerCe;

namespace DeviceApplication1
{
public partial class Form1 : Form
{
string filename = @".DbDotNetCF.sdf";

private DataSet dsJobLists;

public Form1()
{
InitializeComponent();
}

private void DeleteDB()
{
if (System.IO.File.Exists(filename))
{
System.IO.File.Delete(filename);
}
}

private void Sync()
{
SqlCeReplication repl = new SqlCeReplication();

repl.InternetUrl = @"http://localhost/WebsiteDotNetCF/sqlcesa30.dll";
repl.Publisher = @"RAHU";
repl.PublisherDatabase = @"DotNetCF";
repl.PublisherSecurityMode = SecurityType.NTAuthentication;
repl.Publication = @"PubDotNetCF";
repl.Subscriber = @"SubDotNetCF";
repl.SubscriberConnectionString = @"Data Source='" + filename + "';Max Database Size=128;Default Lock Escalation =100;";
try
{
if (!System.IO.File.Exists(filename))
{
repl.AddSubscription(AddOption.CreateDatabase);
}
repl.Synchronize();
}
catch (SqlCeException ex)
{
DisplaySQLCEErrors(ex);
}
finally
{
repl.Dispose();
}


// Display Same Data In Another DataGrid : dataGrid1
SqlCeConnection cn = new SqlCeConnection(@"Data Source='" + filename + "'");

SqlCeDataAdapter daJobLists = new SqlCeDataAdapter("SELECT JobListsID, JobID, PersonID FROM JobLists", cn);
if (dsJobLists == null)
{
dsJobLists = new DataSet();
}
try
{
dsJobLists.Clear();
daJobLists.Fill(dsJobLists, "JobLists");
dataGrid1.DataSource = dsJobLists.Tables["JobLists"];
}
catch (SqlCeException ex)
{
DisplaySQLCEErrors(ex);
}
}

private void DisplaySQLCEErrors(SqlCeException ex)
{
for (int i = 0; i < ex.Errors.Count; i++)
{
MessageBox.Show("Index #" + i.ToString() + "
"
+ ex.Errors.Source + "
"
+ "Error: " + ex.Errors.Message,
"Error No. " + ex.Errors.NativeError.ToString());
}
}

private void Form1_Load(object sender, EventArgs e)
{
Sync();
DeleteDB();

if (DbDotNetCFDataSetUtil.DesignerUtil.IsRunTime())
{
// TODO: Delete this line of code to remove the default AutoFill for 'dbDotNetCFDataSet.JobLists'.
this.jobListsTableAdapter.Fill(this.dbDotNetCFDataSet.JobLists);
}
}
}
}



I have created a merge replication correctlly( I suppose, there were no errros)
Please help

Your help will be appriciated

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SQL Server Mobile 2005 Merge Replication Problem On Windows Mobile 5.0

Aug 8, 2006



Dear ppl,

I am writing an application for a device (MDA Pro T-Mobile) having Windows Mobile 5.0 using

-MS .NET Compact Framework 2.0 SP-1
-SQL Mobile 2005.
-VS 2005 .NET

The application uses Merge Replication. The error occurs in the Synchronise() Method of the SqlCeReplication object.

"SQL Server Mobile encountered problems when opening the database."

repl.AddSubscription(AddOption.CreateDatabase);
repl.Synchronize();

I don't understand why I am having this error. It does create the database on AddSubscription() method but it is failing opening the database on Synchronise(). I have also tried uninstalling and then reinstalling all the SQL Mobile components in the following order.

-sqlce30.wce5.armv4i.cab
-sqlce30.repl.wce5.armv4i.cab
-sqlce30.dev.ENU.wce5.armv4i.cab

However, when i run this application on a device(Dell X50 AXIM) with Pocket PC 2003, it runs fine creating the database and sysnchronising it.

The target platform for the project is Windows Mobile 5.0 Pocket PC SDK.

Does any one have any clue what could be the problem ?

Regards
Nabeel

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Code Snippet
Public gConnectionString As String = "Data Source=Program FilesMobAppMobDB.sdf;Persist Security Info=False;"




Code Snippet

Imports System.Data.SqlServerCe

Public Class DBManager

Public Shared gSQLCEConnection As SqlCeConnection


Public Shared Function OpenDB() As Boolean

If gSQLCEConnection IsNot Nothing Then

Throw New InvalidOperationException("Connection already open.")
End If
gSQLCEConnection = New SqlCeConnection(gConnectionString)
Try

gSQLCEConnection.Open() 'Error occurs here
Return True
Catch ex As SqlCeException

MsgBox(ex.Message & vbCrLf & ex.HResult & vbCrLf & ex.NativeError & vbCrLf & ex.Source)
Return False
End Try
End Function


In the immediate window I recieve the following messages:


A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll

A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll

A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll

A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll

A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll

A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll

A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll

A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll

A first chance exception of type 'System.Data.SqlServerCe.SqlCeException' occurred in System.Data.SqlServerCe.dll


I believe that the first few lines are caused by the icons/pictures that I have included with my app, but the SqlCeException line occurs when the connection to the .SDF file is trying to be established.

Here is the exception output:

Message: "" (Blank)
HResult: -2147024882
NativeError: 0
Source: SQL Server 2005 Mobile Edition ADO.NET Data Provider

Programs under Remove Programs on the PDA are:
Microsoft .NET CF 2.0 ENU-String R...
Microsoft .NET Compact Framework...
Microsoft SQL Client
Microsoft SQL Mobile 2005
Microsoft SQL Mobile 2005 [EN]
Microsoft SQL Server 2005 Compact...
Microsoft SQL Server 2005 Compact...
Microsoft SQL Server 2005 Compact...
Microsoft SQLCE 2.0
Microsoft SQLCE 2.0 Dev

Any ideas on what could be stopping this connection from being established? It was working before but all of a sudden just stopped. I have warm booted, cold booted, and rebuilt with no luck and also checked that SQL Query Analyzer is not running on the PDA and that the connection string is valid.
The call to OpenDB occurs in the form_load of the startup object.

Thanks in advance,

Leon

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SQL Mobile 2005 Replication - SQL Mobile DLL Could Not Be Loaded - Error 28559

Jun 15, 2006

I am migrating a pocket PC application from VS 2003 to VS 2005 and a few weeks ago I hit the following problem when replicating

A SQL Mobile DLL could not be loaded. Reinstall SQL Mobile. [ DLL Name=sqlceca30.dll]

Scanning forums for help I saw that other people had had this problem and one

http://www.eggheadcafe.com/aspnet_answers/NETFrameworkCompactFramework/Feb2006/post25814466.asp

suggested that this problem could be circumvented by getting the replication object early and then continuously using the same object for subsequent replications.

I did this and it works a lot better now but ever so often I get another error which is

Native Error 28559 SQL Mobile encountered problems when opening the database

My only option at this point is to stop and start the application which cures the problem.

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