同样的做法在VS2003下可以运行,为什么在VS2005下不能运行,请高手指点.(在VB.NET中也有发贴子)
同样的做法在VS2003下可以运行,为什么在VS2005下不能运行,请高手指点 
 操作步骤: 
 拖一个ComboBox   到窗体上命名为ComboBoxName 
 进入代码      导入命名空间 
 vb.net为:   Imports   System.Data.SqlClient 
 c#为:using   System.Data.SqlClient; 
 vb.net2003下的代码为:   
  '   匯入命名空間 
 Imports   System.Data.SqlClient 
 Public   Class   Form1 
             Inherits   System.Windows.Forms.Form 
              '   CurrencyManager   物件的類別層級宣告 
             Dim   bmFoxStudio   As   BindingManagerBase   
  '      这里是Windows   窗体设计器生成的代码,,就省了。 
             Private   Sub   Form1_Load(ByVal   sender   As   System.Object,   ByVal   e   As   System.EventArgs)   Handles   MyBase.Load 
                         Me.ComboBoxName.DataSource   =   CreateDataSource() 
                         ComboBoxName.DisplayMember   =    "id " 
                         bmFoxStudio   =   Me.BindingContext(CreateDataSource()) 
             End   Sub 
             Private   Function   CreateDataSource()   As   ICollection 
                         Dim   dt   As   New   DataTable 
                         Dim   dr   As   DataRow 
                         dt.Columns.Add(New   DataColumn( "id ",   GetType(Int32))) 
                         dt.Columns.Add(New   DataColumn( "PkID ",   GetType(String))) 
                         For   i   As   Integer   =   0   To   5 
                                     dr   =   dt.NewRow() 
                                     dr(0)   =   i 
                                     dr(1)   =    "破晓之阳 " 
                                     dt.Rows.Add(dr) 
                         Next 
                         Dim   dv   As   New   DataView(dt) 
                         Return   dv 
             End   Function   
             Private   Sub   ComboBoxName_SelectedIndexChanged(ByVal   sender   As   System.Object,   ByVal   e   As   System.EventArgs)   Handles   ComboBoxName.SelectedIndexChanged 
                         bmFoxStudio.Position   =   Me.ComboBoxName.SelectedIndex 
             End   Sub 
 End   Class   
 vb.net2005   代码: 
 Imports   System.Data.SqlClient 
 Public   Class   Form1 
             Dim   bmFoxStudio   As   BindingManagerBase   
             Private   Sub   Form1_Load(ByVal   sender   As   System.Object,   ByVal   e