데이터를 표시하는 DataGridview
과 입력 된 문자열을 기반으로 데이터를 표시하는 SQL 쿼리로 BindingSource
을 필터링 할 수있는 TextBox
이 있습니다. 이것은 모든 데이터가 다시 표시되도록 다시 설정하고있는 타이머 기능을 DataGridView
으로 필터링 한 후에는 별개로 작동합니다. 타이머는 1000ms
기준으로 설정되므로 필터링 된 결과가 잠시 표시된 다음 되돌릴 수 있습니다.DataGridView 및 BindingSource 타이머 문제
Heres는 내 코드 :
Imports System.Data.OleDb
Public Class Form1
Dim duraGadgetDB As String = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source = C:\Users\Dave\Documents\duraGadget.mdb;"
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim sql As String = "SELECT * FROM duragadget"
Dim connection As New OleDbConnection(duraGadgetDB)
Dim dataadapter As New OleDbDataAdapter(sql, connection)
Dim ds As New DataSet()
connection.Open()
dataadapter.Fill(ds, "dura")
connection.Close()
DataGridView1.DataSource = ds
DataGridView1.DataMember = "dura"
DataGridView1.Columns(5).Width = 300
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
insert.Show()
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim currentRowID As Integer
Dim scrollPosition As Integer = DataGridView1.FirstDisplayedScrollingRowIndex
Try
If DataGridView1.CurrentRow IsNot Nothing Then
currentRowID = DataGridView1.CurrentRow.Index
Dim sql As String = "SELECT * FROM duragadget"
Dim connection As New OleDbConnection(duraGadgetDB)
Dim dataadapter As New OleDbDataAdapter(sql, connection)
Dim ds As New DataSet()
connection.Open()
dataadapter.Fill(ds, "dura")
connection.Close()
DataGridView1.DataSource = ds
DataGridView1.DataMember = "dura"
DataGridView1.CurrentCell = DataGridView1.Item(1, currentRowID)
End If
Catch ex As Exception
End Try
DataGridView1.FirstDisplayedScrollingRowIndex = scrollPosition
End Sub
Private Sub txtSearchOnSku_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtSearchOnSku.TextChanged
Dim currentRowID As Integer
Dim scrollPosition As Integer = DataGridView1.FirstDisplayedScrollingRowIndex
Try
If DataGridView1.CurrentRow IsNot Nothing Then
currentRowID = DataGridView1.CurrentRow.Index
Dim sql As String = "SELECT * FROM duragadget"
Dim connection As New OleDbConnection(duraGadgetDB)
Dim dataadapter As New OleDbDataAdapter(sql, connection)
Dim ds As New DataSet()
Dim dsView As New DataView
Dim bs As New BindingSource()
connection.Open()
dataadapter.Fill(ds, "dura")
connection.Close()
dsView = ds.Tables(0).DefaultView
bs.DataSource = dsView
bs.Filter = "skuNo LIKE'" & txtSearchOnSku.Text & "*'"
DataGridView1.DataSource = bs
DataGridView1.CurrentCell = DataGridView1.Item(1, currentRowID)
End If
Catch ex As Exception
End Try
DataGridView1.FirstDisplayedScrollingRowIndex = scrollPosition
End Sub
End Class
는 사람이 어떻게 이런 일을 중지하는 말해 줄 수
? 당신을 가정