ASP.NET Read Excel Multiple Sheet (Excel Application) |
ASP.NET Read Excel Multiple Sheet (Excel Application) เป็นการเขียน ASP.NET กับ Excel ในการอ่านไฟล์ Excel โดยทำการอ่านจากหลาย ๆ Sheet และนำข้อมูลมาแสดงคนล่ะ DataGrid
Framework 1.1,2.0,3.0,4,0
Excel for C# อ่านและดัดแปลงได้จากบทความนี้
Syntax
Dim xlApp As New Excel.Application
AspNetReadExcelMultipleSheet.aspx
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="Excel"%>
<%@ Page Language="VB" %>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
Dim OpenFile As String
Dim i As Integer
OpenFile = "MyXls/MyExcelDB.xls"
'*** Create Excel.Application ***'
Dim xlApp As New Excel.Application
Dim xlBook As Excel.Workbook
Dim xlSheet1 As Excel.Worksheet
Dim xlSheet2 As Excel.Worksheet
xlBook = xlApp.Workbooks.Open(Server.MapPath(OpenFile))
xlBook.Application.Visible = False
'*** Read Sheet (1) ***'
xlSheet1 = xlBook.Worksheets(1)
'*** Create DataTable (1) ***'
Dim dt1 As New System.Data.DataTable
Dim dr1 As System.Data.DataRow
'*** Column ***'
dt1.Columns.Add("Cloumn1")
dt1.Columns.Add("Cloumn2")
dt1.Columns.Add("Cloumn3")
dt1.Columns.Add("Cloumn4")
i = 2
Do While Not Trim(xlSheet1.Cells.Item(i, 1).Value) = ""
'*** Rows ***'
dr1 = dt1.NewRow
dr1("Cloumn1") = xlSheet1.Cells.Item(i, 1).Value
dr1("Cloumn2") = xlSheet1.Cells.Item(i, 2).Value
dr1("Cloumn3") = xlSheet1.Cells.Item(i, 3).Value
dr1("Cloumn4") = xlSheet1.Cells.Item(i, 4).Value
dt1.Rows.Add(dr1)
i = i + 1
Loop
'*** End DataTable (1) ***'
'*** Read Sheet (2) ***'
xlSheet2 = xlBook.Worksheets(2)
'*** Create DataTable (2) ***'
Dim dt2 As New System.Data.DataTable
Dim dr2 As System.Data.DataRow
'*** Column ***'
dt2.Columns.Add("Cloumn1")
dt2.Columns.Add("Cloumn2")
dt2.Columns.Add("Cloumn3")
dt2.Columns.Add("Cloumn4")
i = 2
Do While Not Trim(xlSheet2.Cells.Item(i, 1).Value) = ""
'*** Rows ***'
dr2 = dt2.NewRow
dr2("Cloumn1") = xlSheet2.Cells.Item(i, 1).Value
dr2("Cloumn2") = xlSheet2.Cells.Item(i, 2).Value
dr2("Cloumn3") = xlSheet2.Cells.Item(i, 3).Value
dr2("Cloumn4") = xlSheet2.Cells.Item(i, 4).Value
dt2.Rows.Add(dr2)
i = i + 1
Loop
'*** End DataTable (2) ***'
'*** BindData To DataGrid (1) ***'
Me.myDataGrid1.DataSource = dt1
Me.myDataGrid1.DataBind()
'*** BindData To DataGrid (2) ***'
Me.myDataGrid2.DataSource = dt2
Me.myDataGrid2.DataBind()
'*** Quit and Clear Object ***'
xlBook.Close()
xlApp.Quit()
xlApp.Application.Quit()
xlSheet1 = Nothing
xlSheet2 = Nothing
xlBook = Nothing
xlApp = Nothing
End Sub
</script>
<html>
<head>
<title>ThaiCreate.Com ASP.NET - Excel Application</title>
</head>
<body>
<form id="form1" runat="server">
<asp:DataGrid id="myDataGrid1" runat="server"></asp:DataGrid>
<br /><br />
<asp:DataGrid id="myDataGrid2" runat="server"></asp:DataGrid>
</form>
</body>
</html>
Screenshot
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