主题：[求助]为何没有根据后台数据操作

没看懂你要表达什么，报错？

Dim str0 As New List (Of String)
Dim str1 As New List (Of String)
Dim id0,id1,flt,celltext As String

For Each dr As DataRow In DataTables("表B").dataRows
    If dr("任务").StartsWith("#") =True Then
        Dim mc = System.Text.RegularExpressions.Regex.Matches(dr("任务"), "[#0-9]+")
       
        celltext=Nothing
        'For i As Integer = 0 To Lmst.Length-1
        celltext = mc(0).value
        'Next
        If str0.Contains(celltext) =False Then
            id0 + = dr("_Identify") & ","
        Else
            str1.Add(celltext)
        End If
        str0.Add(celltext)
    End If
Next
msgbox(id0)
'++++++++++++++++++++++++++++++++
For Each dr As DataRow In DataTables("表B").dataRows
    If dr("任务").StartsWith("#") =True Then
        Dim mc = System.Text.RegularExpressions.Regex.Matches(dr("任务"), "[#0-9]+")
        celltext=Nothing
        'For i As Integer = 0 To Lmst.Length-1
        celltext= mc(0).value
        'Next
       
        If str1.Contains(celltext) Then
            id1 + = dr("_Identify") & ","
        End If
    End If
Next
msgbox(id1)
'+++++++++++++++++++++++++++++++++
If id1 > "" Then
    id1 = id1.Trim(",")
    flt = "[_Identify] In (" & id1 & ")"
End If

msgbox(flt)
DataTables("表B").loadFilter = flt
DataTables("表B").load()

Dim str0 As New List (Of String)
Dim str1 As New List (Of String)
Dim id0,id1,flt,celltext As String
Dim drs = DataTables("表B").sqlselect("")
For Each dr As DataRow In drs
    If dr("任务").StartsWith("#") =True Then
        Dim mc = System.Text.RegularExpressions.Regex.Matches(dr("任务"), "[#0-9]+")
       
        celltext=Nothing
        'For i As Integer = 0 To Lmst.Length-1
        celltext = mc(0).value
        'Next
        If str0.Contains(celltext) =False Then
            id0 + = dr("_Identify") & ","
        Else
            str1.Add(celltext)
        End If
        str0.Add(celltext)
    End If
Next
msgbox(id0)
'++++++++++++++++++++++++++++++++
For Each dr As DataRow In drs
    If dr("任务").StartsWith("#") =True Then
        Dim mc = System.Text.RegularExpressions.Regex.Matches(dr("任务"), "[#0-9]+")
        celltext=Nothing
        'For i As Integer = 0 To Lmst.Length-1
        celltext= mc(0).value
        'Next
       
        If str1.Contains(celltext) Then
            id1 + = dr("_Identify") & ","
        End If
    End If
Next
msgbox(id1)
'+++++++++++++++++++++++++++++++++
If id1 > "" Then
    id1 = id1.Trim(",")
     flt = "[_Identify] In (" & id1 & ")"
End If

msgbox(flt)
DataTables("表B").LoadTop = ""
DataTables("表B").loadFilter = flt
DataTables("表B").load()

1、进度条是无法做到的。load数据的时候，无法获取进度。

2、建议直接用文字提示，如 http://www.foxtable.com/webhelp/scr/1476.htm