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標題暗示我試圖將查詢存儲到二維數組中。我一定是做錯了,因爲它似乎只是將數組中的最後一行存儲在(0,0)到(0,5)列中(我猜這就是第一列哈哈)將SQL查詢存儲到多維數組中
在它之前建議我使用一個列表,我的下一步是隨機化數組以輸出每次調用時不同的內容。我已經想出了那部分,但是我一直在滔滔不絕地閱讀這些廢話。
這是我目前有:
provider = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source ="
dataFile = "C:\Users\Ashleysaurus\Documents\test.accdb"
connString = provider & dataFile
myConnection.ConnectionString = connString
Dim Str As String
Dim dr As OleDbDataReader
Dim myArray(2, 5) As String
myConnection.Open()
Str = "SELECT Question, Answer1, Answer2, Answer3, Answer4, CorrectAnswer FROM Critters;"
Dim cmd As OleDbCommand = New OleDbCommand(Str, myConnection)
dr = cmd.ExecuteReader
While dr.Read()
Dim i As Integer = 0
myArray(i, 0) = CType(dr("Question"), String)
myArray(i, 1) = CType(dr("Answer1"), String)
myArray(i, 2) = CType(dr("Answer2"), String)
myArray(i, 3) = CType(dr("Answer3"), String)
myArray(i, 4) = CType(dr("Answer4"), String)
myArray(i, 5) = CType(dr("CorrectAnswer"), String)
i = i + 1
End While
myConnection.Close()
如果你聲明並初始化爲0變量我在每個循環你還希望在這裏發生什麼?在循環外移動聲明和初始化。順便說一句,你知道DataTable只是一個榮耀陣列,有很多額外的小工具可以處理數據嗎? – Steve
god f'ing dammit LOL –
@Steve如果你發佈回答生病給你應有的信用 –