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Article #46Re: ��̹���VB�ж�ȡ��ݿ���ݵ�����
From: panfock
Date: Thu, 12 Apr 2007 03:18
Date: Thu, 12 Apr 2007 03:18
38 lines
2538 bytes
2538 bytes
�� �� dqkit �Ĵ������ᵽ: ��
: ��λ��������֪����VB��ΰ���ݿ�����һ���������ijһ�е����ͳ�Ƴ���������Select count(*)=num from....��ȡ����ֻ����DataGrid��ʾ��������֪����ΰ�num��ֵ�ŵ�һ��textBox�����أ�лл��
: ������datagridʱ��Դ�룺
: Private Sub Command1_Click()
: Data1.RecordSource = "SELECT count(*),sum(*) FROM answered WHERE
: person=" & "'" & Text1.Text & "'"
: Data1.Refresh
: End Sub
: ��������һ���ı���������Ҫ�������ġ�
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Private Sub Command1_Click()
Dim strsql As String
Dim con As New ADODB.Connection '������ݿ���
Dim rs As ADODB.Recordset '������ݼ�
'������ݿ�,���������ݿ��ļ����ļ����ֱ��������ȻҪд����ַ�
'������Ϊ�˷�������ODBC DSN���Դ
con.Open "DNS=mydatabase"
strsql = "select count(userid),sum(mark) from answered where person='" & Trim(text1.Text) & "'"
Set rs = con.Execute(strsql) 'ִ��SQL��������ݼ�
If Not rs.EOF Then
txtCount.Text = rs(0) '�ѷ���ֵ��ʾ��TEXTBOX��
txtSum.Text = rs(1)
End If
rs.Close
conn.Close
End Sub
--
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X-Google-Thread: 109fdd,ea4c691f76e8bc76,start X-Google-Attributes: gid109fdd,public X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!newshub.sdsu.edu!newsgate.cuhk.edu.hk!news.szu.edu.cn!SCAU From: Panfock@bbs.scau.edu.cn-SPAM.no (panfock) Newsgroups: cn.bbs.comp.lang.visual-basic Subject: Re: ��̹���VB�ж�ȡ��ݿ���ݵ����� Date: 12 Apr 2007 03:18:35 GMT Organization: ����ɾ� Message-ID: <4TSdWB$08S@bbs.scau.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: VB/M.1176347915.W0