[英]How to automatically retrieve data when new data detected and show on datagridview?
[英]how to show todays data in datagridview
Public Sub filltable()
Dim qry As String = "select filename as FileName,filesize as FileSize,time as Time from files"
Dim ds As DataSet = New DataSet()
ds = GetQueryResult_Mysql(qry)
DataGridView1.AutoResizeColumns(DataGridViewAutoSizeColumnMode.Fill)
If (ds.Tables(0).Rows.Count > 0) Then
''For i As Integer = 0 To ds.Tables(0).Rows.Count
'' Dim fname As String = ds.Tables(0).Rows(i).Item("filename").ToString()
'' Dim fsize As String = ds.Tables(0).Rows(i).Item("filesize").ToString()
'' Dim ftime As String = ds.Tables(0).Rows(i).Item("time").ToString()
''Next
DataGridView1.DataSource = ds.Tables(0)
End If
End Sub
假設time
也是包含日期的時間戳
select filename as FileName,filesize as FileSize,time as Time from files WHERE time >= CURDATE()
下次請標記您的數據庫(並標記版本); 我們不應該看到隱藏在代碼中間的一個奇怪的方法來知道你正在使用 MySQL
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