嗨我有一個要求導入電子表格 - 驗證數據並保存到數據庫。導入電子表格+數據操作並保存到數據庫
電子表格數據來自兩個來源。一個可以直接導入(我沒有這個問題)。在將數據保存到數據庫之前,必須處理來自第二個來源的電子表格中的數據。
我創建了一個網頁,上傳的XLS文件,然後進口數據表。數據表是gridview的數據源。然後我進行驗證並保存到數據庫。
此代碼適用於標準電子表格。我現在需要修改代碼,以便它可以處理任何類型的源電子表格。需要操縱
Unique ID Ref PartName New_SH Year ProductType Location Qty TopSeller
IS-4564 XM3M_ZZ_001_001_1982 180 wiper motor S Wiper Motor CD19 3 N
在上述示例中的參考文獻需要被操縱,從而在最後4位被轉移到YEAR柱和
實施例數據 標準來源
Unique ID Ref PartName New_SH Year ProductType Location Qty TopSeller
39564 SD9PP/SS Micra Water Pump N 2012 Cooling CD19 12 Y
源Ref的第一部分直到第二個下劃線被修剪,下劃線被替換爲/ eg XM3M/ZZ。 引用可以是4 + 2後綴到6 + 2後綴之間的任意值,但總是後跟_XXX_XXX_YYYY,其中X和Y是數字X不是必需的,YYYY是年份。
我的計劃是將電子表格導入到數據表中的溫度,並通過細胞的去通過該表逐行細胞並複製到另一個數據表進行任何改動neccesary後。然後這個第二個表格用作gridview的數據源。
這裏是我的代碼...
Protected Sub ReadExcelFile(filename As String, worksheet As String)
Try
' Fetch Data from Excel data is based on the following
'Unique ID Ref PartName New_SH Year ProductType Location Qty TopSeller
'IS-4564 XM3M_ZZ_001_001_1982 180 wiper motor S Wiper Motor CD19 3 N
'35667 SD9PP/SS Micra water pump N 2012 Cooling CA4 14 Y
Dim MyConnection As New OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0; data source='" & filename & "'; Extended Properties='Excel 8.0; HDR=Yes; IMEX=1'")
Dim MyCommand As New OleDbDataAdapter("select * from [" & worksheet & "]", MyConnection)
Dim dtPreview As New DataTable()
Dim dtTemp As New DataTable()
'Place data in temp datatable
MyCommand.Fill(dtTemp)
'Go through tem[ datatable and transfer cell values to dtPreview
If dtTemp.Columns.Count < 9 Then
'We do not have enough columns
lb_Error.Text = "Spreadsheet does not contain enough columns
Exit Sub
Else
'We have at least 9 columns - we are only interested in the first 9
If dtTemp.Rows.Count > 0 Then
'we have at least one row
'Add Column Headers
For c = 0 To dtTemp.Columns.Count - 1
dtPreview.Columns.Add(dtTemp.Columns(c).ColumnName, dtTemp.Columns(c).DataType)
Next
'Add Row Data
Dim l As Integer = 0
For Each drTempRow As DataRow In dtTemp.Rows
Dim newRow As DataRow = dtPreview.NewRow()
'Unique ID
If Left(dtTemp.Rows(0).ToString, 3) = "IS-" Then
newRow(0) = Mid(dtTemp.Columns(0).ToString.ToUpper.Trim, 4, 8)
Else
newRow(0) = dtTemp.Columns(0).ToString.ToUpper.Trim
End If
'Ref
If Left(dtTemp.Rows(0).ToString, 3) = "IS-" Then
l = Len(dtTemp.Columns(1).ToString.Trim)
newRow(1) = Left(dtTemp.Columns(1).ToString.Replace("_", "/").ToUpper.Trim, l - 13)
Else
newRow(1) = dtTemp.Columns(1).ToString.ToUpper.Trim
End If
'Part Name
newRow(2) = dtTemp.Columns(2).ToString.ToUpper.Trim
'New/Secondhand
newRow(3) = dtTemp.Columns(3).ToString.ToUpper.Trim
'Year
If Left(dtTemp.Columns(0).ToString, 3) = "IS-" Then
newRow(4) = Right(dtTemp.Columns(0).ToString, 4)
Else
newRow(4) = dtTemp.Columns(4).ToString
End If
'Product Type
newRow(5) = dtTemp.Columns(5).ToString.ToUpper.Trim
'Location
newRow(6) = dtTemp.Columns(6).ToString.ToUpper.Trim
'Quantity in Stock
newRow(7) = dtTemp.Columns(7).ToString
'Top Seller
newRow(8) = dtTemp.Columns(8).ToString.ToUpper.Trim
dtPreview.Rows.Add(newRow)
newRow = Nothing
Next
End If
'Add additional columns
dtPreview.Columns.Add("RecdBy", GetType(System.Int16), Session("UserNo").ToString())
If ddl_FileSource.SelectedValue.ToString() = "1" Then
dtPreview.Columns.Add("IntExt", GetType(System.Int16), "1")
Else
dtPreview.Columns.Add("IntExt", GetType(System.Int16), "0")
End If
dtTemp = Nothing
End If
'Bind DataTable to Gridview
Session("dtgv") = dtPreview
gv_StockData.DataSource = dtPreview
gv_StockData.DataBind()
MyConnection.Close()
Catch msg As Exception
lb_Error.Text = msg.Message
End Try
末次
麻煩的是我得到錯誤....我是不是從右側的角度接近這一點?