1
我在MS Access表其中有一個名爲NameC柱上進行(使用ODBC連接到MS Access)獲取MS Access查詢的結果爲文本框在VB.NET
我想下面的查詢結果保存在txtField中
Dim query = "SELECT NameC FROM Table WHERE ClientID = " & Integer.Parse(clientID)
如何在VB.NET中做到這一點?
我有一個txtNameC.Text
場
我目前正在審查一些示例代碼和他們做:
Dim _consultationTable As DataTable
Public Sub Load()
Dim query = "SELECT * FROM Table WHERE ClientID = " & Integer.Parse(clientID)
Me._consultationTable = DatabaseFunctions.GetDataTable(query)
dvgInfo.Rows.Clear()
For Each dtRow In Me._consultationTable.Rows
dvgInfo.Rows.Add()
dvgInfo.Rows.Add(dvgInfo.RowCount-1).Cells("ColClientID").Value = dtRow("ClientId").ToString()
Next
,但我不想填寫表格我只想得到一個查詢的結果放入文本框 我該怎麼做?
我想要做這樣的事情,但只返回一個值,並將其保存到一個文本框
Protected Sub BindData()
strSQL = "SELECT * FROM customer"
Dim dtReader As OdbcDataReader
objCmd = New OdbcCommand(strSQL, objConn)
dtReader = objCmd.ExecuteReader()
'*** BindData to GridView ***'
myGridView.DataSource = dtReader
myGridView.DataBind()
dtReader.Close()
dtReader = Nothing
End Sub
Protected Sub BindData()
strSQL = "SELECT SpecificValue FROM customer where x = y..."
Dim dtReader As OdbcDataReader
objCmd = New OdbcCommand(strSQL, objConn)
dtReader = objCmd.ExecuteReader()
'*** BindData to GridView ***'
myGridView.DataSource = dtReader
myGridView.DataBind()
dtReader.Close()
dtReader = Nothing
End Sub
Excuseme但如果我使用System.Data.Odbc會有什麼變化? – cMinor
@Ravindra,我試過你的代碼...但似乎DataReader沒有給我任何東西,一旦我使用Like運算符編碼在VB.NET有什麼問題嗎? – gumuruh