.net – 如何将数据库表转储到Excel工作表?
发布时间:2020-05-24 17:26:25 所属栏目:MsSql 来源:互联网
导读:我从我的数据库中获取数据,我希望将这些数据作为excel文件中的表. 所以,我写了以下内容: Dim sheetToPopulate As Excel.Worksheet = getSheet() Dim reader As OleDbDataReader Dim query As String = SELECT * FROM dataTable Dim cmd As
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我从我的数据库中获取数据,我希望将这些数据作为excel文件中的表.
Dim sheetToPopulate As Excel.Worksheet = getSheet()
Dim reader As OleDbDataReader
Dim query As String = "SELECT * FROM dataTable"
Dim cmd As New OleDbCommand(query,oleConn)
Dim reader As OleDbDataReader
oleConn.Open()
reader = cmd.ExecuteReader()
Do While reader.Read()
// How use the reader to populate the sheet at once.
// I have the sheet object as sheetToPopulate.
// cell.Vaule = reader.GetString(0) ' It would be very in-efficient and complex.
// How can I dump the table to my excel sheet ?
Loop
reader.Close()
oleConn.Close()
应该有一个明显的方法来做到这一点? 将数据库表转储到Excel工作表? [ 我是不是该 ? ] Should I use dataset of something.. ? If yes,how to proceed for that ? 请帮助..我是新来的!! 解决方法以下是我解决这个问题的方法:Private Function getData(ByVal query As String,ByVal conStr As String) As Object
Dim adapter As New Data.OleDb.OleDbDataAdapter(query,conStr)
Dim dataSet As New Data.DataSet
adapter.Fill(dataSet)
Dim dataTable As Data.DataTable = dataSet.Tables(0)
Dim data(dataTable.Rows.Count,dataTable.Columns.Count - 1) As Object
For col = 0 To dataTable.Columns.Count - 1
For row = 0 To dataTable.Rows.Count - 1
data(row,col) = dataTable.Rows(row).ItemArray(col)
Next
Next
Return data
End Function
range.Value = getDate(query,conStr) 这解决了整个问题! (编辑:安卓应用网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
