[英]Change specific row and column in Datagridview
我想更改Datagridview中的特定行和列。 當我在x
列中輸入特定數據時,它將在Y
列中返回任何特定值。 否則, x
列中的數據將在Y
列中返回值7777
但是,當我運行此代碼時, Y
列沒有任何變化:
Private Sub Table1DataGridView_CellEndEdit(sender As Object, e As System.Windows.Forms.DataGridViewCellEventArgs) Handles Table1DataGridView.CellEndEdit
'For e.ColumnIndex + 1
If e.ColumnIndex = 2 Then
If Val(Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) = 5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 5
ElseIf Val(Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) = 7 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 7
ElseIf Val(Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) = 1 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 6
'1
ElseIf Val(Table1DataGridView.Rows(1).Cells(2).Value) = 1.5 Then
Table1DataGridView.Rows(1).Cells(e.ColumnIndex + 1).Value = 7.326
'2
ElseIf Val(Table1DataGridView.Rows(2).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(2).Cells(e.ColumnIndex + 1).Value = 6.374
'3
ElseIf Val(Table1DataGridView.Rows(3).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(3).Cells(e.ColumnIndex + 1).Value = 4.702
'4
ElseIf Val(Table1DataGridView.Rows(4).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(4).Cells(e.ColumnIndex + 1).Value = 1.321
'5
ElseIf Val(Table1DataGridView.Rows(5).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(5).Cells(e.ColumnIndex + 1).Value = 0.035
'6
ElseIf Val(Table1DataGridView.Rows(6).Cells(2).Value) = 4 Then
Table1DataGridView.Rows(6).Cells(e.ColumnIndex + 1).Value = 0.205
'7
ElseIf Val(Table1DataGridView.Rows(7).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(7).Cells(e.ColumnIndex + 1).Value = 4.969
'8
ElseIf Val(Table1DataGridView.Rows(16).Cells(2).Value) = 4 Then
Table1DataGridView.Rows(16).Cells(e.ColumnIndex + 1).Value = 1.588
'9
ElseIf Val(Table1DataGridView.Rows(17).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(17).Cells(e.ColumnIndex + 1).Value = 4.696
'10
ElseIf Val(Table1DataGridView.Rows(18).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(18).Cells(e.ColumnIndex + 1).Value = 0.866
'11
ElseIf Val(Table1DataGridView.Rows(19).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(19).Cells(e.ColumnIndex + 1).Value = 1.881
'12
ElseIf Val(Table1DataGridView.Rows(20).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(20).Cells(e.ColumnIndex + 1).Value = 4.702
'13
ElseIf Val(Table1DataGridView.Rows(21).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(21).Cells(e.ColumnIndex + 1).Value = 6.515
'14
ElseIf Val(Table1DataGridView.Rows(22).Cells(2).Value) = 1.5 Then
Table1DataGridView.Rows(22).Cells(e.ColumnIndex + 1).Value = 6.92671744
Else
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 7777
End If
End If
End Sub
然后,我嘗試更改此代碼,但在Y
列返回一些相同的值:
Private Sub Table1DataGridView_CellEndEdit(sender As Object, e As System.Windows.Forms.DataGridViewCellEventArgs) Handles Table1DataGridView.CellEndEdit
'For e.ColumnIndex + 1
If e.ColumnIndex = 2 Then
If Val(Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) = 5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 5
ElseIf Val(Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) = 7 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 7
ElseIf Val(Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) = 1 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 6
'1
ElseIf Val(Table1DataGridView.Rows(1).Cells(2).Value) = 1.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 7.326
'2
ElseIf Val(Table1DataGridView.Rows(2).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 6.374
'3
ElseIf Val(Table1DataGridView.Rows(3).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 4.702
'4
ElseIf Val(Table1DataGridView.Rows(4).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 1.321
'5
ElseIf Val(Table1DataGridView.Rows(5).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 0.035
'6
ElseIf Val(Table1DataGridView.Rows(6).Cells(2).Value) = 4 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 0.205
'7
ElseIf Val(Table1DataGridView.Rows(7).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 4.969
'8
ElseIf Val(Table1DataGridView.Rows(16).Cells(2).Value) = 4 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 1.588
'9
ElseIf Val(Table1DataGridView.Rows(17).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 4.696
'10
ElseIf Val(Table1DataGridView.Rows(18).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 0.866
'11
ElseIf Val(Table1DataGridView.Rows(19).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 1.881
'12
ElseIf Val(Table1DataGridView.Rows(20).Cells(2).Value) = 2.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 4.702
'13
ElseIf Val(Table1DataGridView.Rows(21).Cells(2).Value) = 2 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 6.515
'14
ElseIf Val(Table1DataGridView.Rows(22).Cells(2).Value) = 1.5 Then
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 6.92671744
Else
Table1DataGridView.Rows(e.RowIndex).Cells(e.ColumnIndex + 1).Value = 7777
End If
End If
End Sub
謝謝您的幫助!
如果DataGridView是數據綁定的,則需要修改數據綁定的對象,而不是直接修改網格。 您可以通過DataBoundItem屬性訪問該對象:
Dim obj As MyObject = Table1DataGridView.CurrentRow.DataBoundItem
obj.MyProperty = newValue
只要適當設置MyObject和MyProperty
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