[My ASP.NET Learning History] Database Settion (3)

xiaoxiao2021-03-06  57

Protected system.web.ui.webcontrols.dataGrid DataGrid1;

Private Void Page_Load (Object Sender, System.EventArgs E)

{

Random rd = new random ();

String dbpath = @ "DATA / DBTEST.MDB";

String DB = Server.mappath (dbpath);

String connectionString = "provider = microsoft.jet.Oledb.4.0; data source =" DB;

String strsql = "SELECT [CUSTOMERID], [Address] from customers";

DataSet DS = New Dataset ();

OLEDBCONNECTION CONN = New OLEDBCONNECTION (Connectionstring);

OLEDBDataAdapter Da = New OLEDBDataAdapter (strsql, conn);

OLEDBCommandbuilder CB = New OLEDBCommandbuilder (DA);

// With the connection link of the database, the parameter 1 starts with the first behavior, the parameter 2 is down two lines.

//da.fill (DS, 1, 2, "testmdb ");

Da.fill (DS, "Testmdb");

/ / Insert a new line to DataSet

DataRow Dr = DS.TABLES ["TestMDB"]. Newrow ();

DR ["Customerid"] = "RandNumber";

DR ["address"] = rd.next (100000) .tostring ();

DS.Tables ["TestMDB"]. Rows.Add (DR); // Fill content to DataSet

Da.UPDATE (DS, "TestMDB");

DataGrid1.datasource = DS.TABLES ["TestMDB"]. DefaultView;

DataGrid1.databind ();

Ds.clear ();

CONN.CLOSE ();

}

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