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¹ØÓÚVisual studioÔËÐÐVB½Å±¾ÖУ¬²éѯACCESSÊý¾Ý¿âËùÓõÄSQLÓïÑÔÖÐÒýÈë±äÁ¿µÄÎÊÌâ
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×î½üдһ¸ö³ÌÐò£¬ÔËÐл·¾³VS2010£¬ÓÃVB±à³Ì£¬Á¬½ÓACCESS2010Êý¾Ý¿âÏëʵÏÖÈçϹ¦ÄÜ£º ÔÚWebÍøÒ³ÖÐÉú³ÉÒ»¸öDownDropList£¬Ò»¸öButtonºÍÒ»¸öListBox£¬Ïëͨ¹ýDownDropListÀïÃæÑ¡Ôñ²»Í¬µÄItem£¬È»ºóµã»÷ButtonÀ´ÊµÏÖ¶ÔACCESSÊý¾Ý¿âµÄ²éѯ¹¦ÄÜ£¬µ«ÊÇ·¢ÏÖÔÚÔËÐгÌÐòʱ£¬×ÜÊÇÌáʾmycmd.ExecuteReader()ȱÉÙÖµ£¬Ó¦¸ÃÊÇSELECTÓï¾äÀïµÄ±äÁ¿³öÁËÎÊÌ⣨ÏÂÃæ´úÂëÖеĴÖÌå¾ä£©£¬ÇëÎÊÈçºÎÕâ¸öSOLÓï¾äÖÐÒýÈë±äÁ¿£¿£¿£¿ Protected Sub Button1_Click(sender As Object, e As System.EventArgs) Handles Button1.Click If DropDownList1.SelectedItem.Text = "ËùÓбÈÈü" Then Dim mystr As String, mysql As String Dim myconn As New OleDbConnection() Dim mycmd As New OleDbCommand() mystr = "Provider = Microsoft.ACE.OLEDB.12.0;" & "Data source = " & Server.MapPath("~\\App_data\\game.accdb" ![]() myconn.ConnectionString = mystr myconn.Open() mysql = "SELECT ±ÈÈüÈÕÆÚ,Ö÷¶Ó,¿Í¶Ó,С×é FROM Game" mycmd.CommandText = mysql mycmd.Connection = myconn Dim myreader As OleDbDataReader = mycmd.ExecuteReader() ListBox1.Items.Add("±ÈÈüÈÕÆÚ Ö÷¶Ó ¿Í¶Ó С×é" ![]() ListBox1.Items.Add("========" ![]() While myreader.Read() ListBox1.Items.Add(String.Format("{0} {1} {2} {3}", myreader(0).ToString(), myreader(1).ToString, myreader(2).ToString, myreader(3).ToString)) End While myconn.Close() myreader.Close() Else Dim mystr As String, mysql As String, str As String Dim myconn As New OleDbConnection() Dim mycmd As New OleDbCommand() mystr = "Provider = Microsoft.ACE.OLEDB.12.0;" & "Data source = " & Server.MapPath("~\\App_data\\game.accdb" ![]() myconn.ConnectionString = mystr str = DropDownList1.SelectedItem.Text myconn.Open() mysql = "SELECT ±ÈÈüÈÕÆÚ,Ö÷¶Ó,¿Í¶Ó,С×é FROM Game where Ö÷¶Ó or ¿Í¶Ó=" + DropDownList1.SelectedItem.Text.ToString mycmd.CommandText = mysql mycmd.Connection = myconn Dim myreader As OleDbDataReader = mycmd.ExecuteReader() ListBox1.Items.Add("±ÈÈüÈÕÆÚ Ö÷¶Ó ¿Í¶Ó С×é" ![]() ListBox1.Items.Add("========" ![]() While myreader.Read() ListBox1.Items.Add(String.Format("{0} {1} {2} {3}", myreader(0).ToString(), myreader(1).ToString, myreader(2).ToString, myreader(3).ToString)) End While myconn.Close() myreader.Close() End If End Sub |
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