我有一個存儲過程是這樣的:無法參數值從字符串轉換成的Int32同時使整數變量
ALTER PROCEDURE [dbo].[T_TransactionSummary]
@startDate datetime,
@endDate datetime,
@locations integer
AS
BEGIN
.................
................
WHERE (Transaction_tbl.dtime BETWEEN @fromDate AND @toDate)
AND (Location_tbl.Locid IN (@locations))
我有其中填充@locations參數(一個整數)的列表框,併爲@fromDate
和@toDate.
2個的DateTimePicker控件我把我的列表框的值是這樣的:
cnt = LSTlocations.SelectedItems.Count
Dim list As New List(Of Integer)
Dim locid As Integer
If cnt > 0 Then
For i = 0 To cnt - 1
Dim locationanme As String = LSTlocations.SelectedItems(i).ToString
locid = RecordID("Locid", "Location_tbl", "LocName", locationanme)
list.Add(locid)
Next
End If
Dim da As New SqlDataAdapter
Dim ds As New DataSet
Dim cmd23 As New SqlCommand("T_TransactionSummary", con.connect)
cmd23.CommandType = CommandType.StoredProcedure
cmd23.Parameters.Add("@startDate", SqlDbType.NVarChar, 50, ParameterDirection.Input).Value = startdate
cmd23.Parameters.Add("@endDate", SqlDbType.NVarChar, 50, ParameterDirection.Input).Value = enddate
cmd23.Parameters.Add("@locations", SqlDbType.Int).Value = String.Join(",", list)
da.SelectCommand = cmd23
da.Fill(ds)
如果代碼到達這裏我得到的錯誤是這樣的:
「無法參數值從字符串轉換成的Int32
我知道我在這一行
cmd23.Parameters.Add("@locations", SqlDbType.Int).Value = String.Join(",", list)
我想要去的參數,如1,2-存儲過程得到錯誤,3只 我正在使用vb.net。有什麼問題我code..any的幫助是巨大的讚賞..
當然是一種類似「 「 0,1,2,3「'不能被解析爲數字。 – ElektroStudios
所以我必須改變? – user2878851
對於SQL2008 +我會使用[TVP](http://www.mssqltips.com/sqlservertip/2112/table-value-parameters-in-sql-server-2008-and-net-c/) –