Problemas con resolucion de sobrecarga en un combobox

[necbalaam]

Los detalles de la excepcion son estos:

No se controló MySql.Data.MySqlClient.MySqlException
ErrorCode=-2147467259
Message=You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'b.ID_estado=3' at line 1
Number=1064
Source=MySql.Data
StackTrace:
en MySql.Data.MySqlClient.MySqlStream.ReadPacket()
en MySql.Data.MySqlClient.NativeDriver.GetResult(Int3 2& affectedRow, Int32& insertedId)
en MySql.Data.MySqlClient.Driver.GetResult(Int32 statementId, Int32& affectedRows, Int32& insertedId)
en MySql.Data.MySqlClient.Driver.NextResult(Int32 statementId, Boolean force)
en MySql.Data.MySqlClient.MySqlDataReader.NextResult( )
en MySql.Data.MySqlClient.MySqlCommand.ExecuteReader( CommandBehavior behavior)
en MySql.Data.MySqlClient.MySqlCommand.ExecuteDbDataR eader(CommandBehavior behavior)
en System.Data.Common.DbCommand.System.Data.IDbComman d.ExecuteReader(CommandBehavior behavior)
en System.Data.Common.DbDataAdapter.FillInternal(Data Set dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
en System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
en System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable)
en AppCenotes.InfoCampeche.Informacion_Load(Object sender, EventArgs e) en C:\Users\Saul\Documents\Visual Studio 2010\Projects\AppCenotes\AppCenotes\InfoCampeche.v b:línea 21
en System.Windows.Forms.Form.OnLoad(EventArgs e)
en System.Windows.Forms.Form.OnCreateControl()
en System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
en System.Windows.Forms.Control.CreateControl()
en System.Windows.Forms.Control.WmShowWindow(Message& m)
en System.Windows.Forms.Control.WndProc(Message& m)
en System.Windows.Forms.ScrollableControl.WndProc(Mes sage& m)
en System.Windows.Forms.Form.WmShowWindow(Message& m)
en System.Windows.Forms.Form.WndProc(Message& m)
en System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
en System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
en System.Windows.Forms.NativeWindow.DebuggableCallba ck(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
en System.Windows.Forms.SafeNativeMethods.ShowWindow( HandleRef hWnd, Int32 nCmdShow)
en System.Windows.Forms.Control.SetVisibleCore(Boolea n value)
en System.Windows.Forms.Form.SetVisibleCore(Boolean value)
en System.Windows.Forms.Control.Show()
en AppCenotes.Campeche.Azul_Click(Object sender, EventArgs e) en C:\Users\Saul\Documents\Visual Studio 2010\Projects\AppCenotes\AppCenotes\Campeche.vb:lí nea 11
en System.Windows.Forms.Control.OnClick(EventArgs e)
en System.Windows.Forms.Button.OnClick(EventArgs e)
en System.Windows.Forms.Button.OnMouseUp(MouseEventAr gs mevent)
en System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
en System.Windows.Forms.Control.WndProc(Message& m)
en System.Windows.Forms.ButtonBase.WndProc(Message& m)
en System.Windows.Forms.Button.WndProc(Message& m)
en System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
en System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
en System.Windows.Forms.NativeWindow.DebuggableCallba ck(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
en System.Windows.Forms.UnsafeNativeMethods.DispatchM essageW(MSG& msg)
en System.Windows.Forms.Application.ComponentManager. System.Windows.Forms.UnsafeNativeMethods.IMsoCompo nentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
en System.Windows.Forms.Application.ThreadContext.Run MessageLoopInner(Int32 reason, ApplicationContext context)
en System.Windows.Forms.Application.ThreadContext.Run MessageLoop(Int32 reason, ApplicationContext context)
en System.Windows.Forms.Application.Run(ApplicationCo ntext context)
en Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.OnRun()
en Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.DoApplicationModel()
en Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.Run(String[] commandLine)
en AppCenotes.My.MyApplication.Main(String[] Args) en 17d14f5c-a337-4978-8281-53493378c1071.vb:línea 81
en System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
en System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
en Microsoft.VisualStudio.HostingProcess.HostProc.Run UsersAssembly()
en System.Threading.ThreadHelper.ThreadStart_Context( Object state)
en System.Threading.ExecutionContext.Run(ExecutionCon text executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
en System.Threading.ExecutionContext.Run(ExecutionCon text executionContext, ContextCallback callback, Object state)
en System.Threading.ThreadHelper.ThreadStart()
InnerException: