ASP.NET

"C:\Windows\Microsoft.NET\Framework\v3.5
\csc.exe" /t:library /utf8output /R:"C:\Windows\assembly\GAC_32
\System.Data\2.0.0.0__b77a5c561934e089\System.Data.dll" 
/R:"C:\Windows\assembly\GAC_MSIL\System.WorkflowServices\3.5.0.0__31bf3856ad364e35
\System.WorkflowServices.dll" 
...

Microsoft (R) Visual C# 2008 Compiler version 3.5.30729.1
for Microsoft (R) .NET Framework version 3.5
Copyright (C) Microsoft Corporation. All rights reserved.

...\App_Code\SampleUnsafe.cs(36,29): error CS0227: Unsafe code may only appear if compiling with /unsafe

public void Replication(string TableName)
    {
        DataTable dtSource = GetAllTableData(CnSorce, TableName);
        DataTable dtDest = GetAllTableData(CnDest, TableName);

        dtSource.AcceptChanges();
        dtDest.Merge(dtSource);
        dtDest.AcceptChanges();
        DataSet ds = new DataSet();
        ds.Tables.Add(dtDest); InsertData(ds, CnDest);
}



public int InsertData(DataSet ds, SqlConnection cn)
    {
        try
        {
            cn.Open();
            if (cn != null)
            {
                SqlTransaction transaction = cn.BeginTransaction(System.Data.IsolationLevel.ReadCommitted);
                foreach (DataTable dt in ds.Tables)
                {
                    if (dt != null && dt.Rows.Count > 0)
                    {                       
                        cmd.Connection = cn;
                        cmd.Transaction = transaction;
                        cmd.CommandType = CommandType.Text;                       
                        cmd.CommandText = "select * from " + dt.TableName;                        
                        adapter.SelectCommand= cmd;                       
                        cmb.DataAdapter = adapter;
                        adapter.UpdateBatchSize = dt.Rows.Count;                                              
                        adapter.Update(dt);                        
                        transaction.Commit();
                    }
                    else
                    {
                        transaction.Rollback();
                        return 0;
                    }
                }
                return 1;
            }
            else
                return 0;
        }
        catch (Exception ex)
        {
            return 0;
        }
    }

"Insufficient system resources exist to complete the requested service"