Need to read the data from Access Table in VB Form

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Hai All,
I am developing one VB Application whose has Read&write the data into Access table. and i am completing the write section as mention as below. Now i need to read the data from Access Table to GridView for every 60 sec.
This is the code iam used to write the data into Access.

VB

Dim cnnOLEDB As New OleDbConnection
    Dim cmdOLEDB As New OleDbCommand
    Dim cmdInsert As New OleDbCommand
    Dim cmdUpdate As New OleDbCommand
    Dim cmdDelete As New OleDbCommand
    Dim adpOLEDB As New OleDbDataAdapter
    Dim strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & System.Environment.CurrentDirectory & "\SMSDB.mdb"

SQL

cmdInsert.CommandText = "INSERT INTO SMSDATA1DB (Start_Of_Packet, Packet_Identifier) VALUES ('" & STX1 & "', '" & STX2 & "')"
        MsgBox(cmdInsert.CommandText)
        cmdInsert.CommandType = CommandType.Text
        cmdInsert.Connection = cnnOLEDB
        cmdInsert.ExecuteNonQuery()
        cmdInsert.Dispose()

VB

Private Sub DataPreview_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        cnnOLEDB.ConnectionString = strConnectionString
        cnnOLEDB.Open()
End Sub

Any Body Help me.........

Posted 29-Nov-11 18:51pm

Himachandra

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NikulDarji · Accepted Answer · 2011-11-29T18:59:00

Solution 1

VB

Dim dt1 As New DataTable()
    dt1.Clear()
    Dim adp As New OleDb.OleDbDataAdapter("SELECT * FROM SMSDATA1DB", "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & System.Environment.CurrentDirectory & "\SMSDB.mdb")
    adp.Fill(dt1)
    adp.Dispose()
    DataGridView1.DataSource = dt1

Use this code to retrieve data form access table....:) This is Improved solution use this.....:)

Posted 29-Nov-11 18:59pm

NikulDarji

Updated 29-Nov-11 21:44pm

v2

Comments

Himachandra 30-Nov-11 1:35am

Yahhhhh....... ITZ Working........ Thank You So much

Himachandra 30-Nov-11 1:59am

WHENEVER I AM USING THIS

"SELECT * FROM DatTime ORDER BY DATE&TIME DESC", "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Alram.mdb"

RUNTIME ERROR HAS BEEN COMING ............
I NEED TO ORDER BY DATE&TIME COLUMN THAT TO IN DESC
PLZZZ HELP ME LOL.......

NikulDarji 30-Nov-11 3:42am

Hey.....this is my code....U have to change as per your requirement....:)
I m improving my solution....