Question

I am using this code to read data from Oracle Database. That data stored in Oracle is Navarchar2 data type but when It it display in gridview it looks like this. ?& ? ?????? ??? ? My database Charaacter set is WE8MSWIN1252

Here is mY code through which I am reading from Oracle database.

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
      Dim con = New OleDbConnection("Data Source=cms; User ID=cms20112012; Password=??????; provider=OraOLEDB.Oracle")           
       con.open()
        Dim cmd As New OleDbCommand("Select to_char(grower_Name) grower from V_GROW", con)
        Dim da As New OleDbDataAdapter(cmd)
        Dim ds As New DataSet
        Dim I As Long
        da.Fill(ds, "V_GROW")
        GridView1.DataSource = ds
        GridView1.DataBind()
        For I = 0 To ds.Tables("V_GROW").Rows.Count - 1
            Dim grower As String = ds.Tables("V_GROW").Rows(I).Item("grower")
            grower = Encoding.ASCII.GetString(Encoding.Unicode.GetBytes(grower))
            Label1.Text = grower
        Next I
        con.close()
    End Sub

Please anyone help me to get out of this issue

Answer 1

Your database needs to use the UTF encoding or it will not store / retrieve correctly. When you setup the Oracle database – you must set the character set (National and Database) to UTF.