how to connect data source to combobox

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C#

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MS-Access

hi friends how can i connect database one coluam data to my combobox by using codes in program

Posted 12-Feb-14 22:53pm

TUMAAJKAL

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TrushnaK · Answer 1 · 2014-02-12T23:04:00

try something like this:-

Private Sub FillCombo()
        Try
            Dim fillcon As New OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=path to access file.mdb;")
            Dim asql As String = ("SELECT * FROM Items ORDER BY ItemName")
            Dim da As New OleDbDataAdapter(asql, fillcon)
            Dim ds As New DataSet
            da.Fill(ds)
            ItemNameCombo.ValueMember = "ItemName"
            ItemNameCombo.DataSource = ds.Tables(0)
            ItemNameCombo.SelectedIndex = 0
        Catch ex As Exception
            MsgBox("ERROR : " & ex.Message.ToString)
        End Try
    End Sub

refer:-
http://www.dreamincode.net/forums/topic/207090-using-code-to-bind-combo-box-to-access-database/[^]

Mr Zaw Myo Htet · Answer 2 · 2014-02-13T00:02:00

private void Bind_Combo()
{
DataTable dt = new DataTable();
samplecontroller controller = new samplecontroller (); //Your Logic layer call from database(just calling)
dt = controller.sample_Select(entity); //Your datasource is input here
if (dt.Rows.Count > 0)
{
this.combobox.DataSource = dt;
this.combobox.DisplayMember = "sample_Name";
this.combobox.ValueMember = "sample_ID";
}
this.combobox.Text = "Please select";
}

Snehasish_Nandy · Answer 3 · 2014-02-12T22:58:00

Solution 1

Refer

binding-data-to-a-combo-box-in-access[^]

Posted 12-Feb-14 22:58pm

Snehasish_Nandy

AvinashAher · Answer 4 · 2014-02-12T23:38:00

private void _BindCombo()
       {

           try
           {
               string conString = "";
               OleDbConnection con = new OleDbConnection(conString);
               con.Open();
               string query = "";
               OleDbCommand cmd = new OleDbCommand(query, con);
               OleDbDataReader dr = cmd.ExecuteReader();
               DataTable dt = new DataTable();
               dt.Load(dr);
               if (dt.Rows.Count > 0)
               {
                   combobox.DataSource = dt;
                   combobox.DataTextField = "displayfield";
                   combobox.DataValueField = "valuefield";
                   combobox.DataBind();
               }
           }
           catch (Exception)
           {

               throw;
           }


       }

how to connect data source to combobox

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