我写了一个方法来选择输入的行字母,也许你可以根据你的需要进行修改。该函数在 DataGridView 的 KeysPress 事件处理程序中调用。
方法:
'user types letter in dgv, method will select the column starting with that letter if it exists or else next letter existing in dgv
Public Shared Sub GoToLetterTypedInDataGridView(ByVal dgv As DataGridView, ByVal columnName As String, ByVal columnPosition As Integer, ByVal letterTyped As Char)
Try
Dim dt As DataTable = dgv.DataSource
Dim letter As Char = letterTyped
Dim dv As DataView = New DataView(dt)
Dim hasCount As Boolean = False
While (Not hasCount)
dv.Sort = columnName
dv.RowFilter = columnName & " like '" & letter & "%'"
If dv.Count > 0 Then
hasCount = True
Dim x As String = dv(0)(columnPosition).ToString()
Dim bs As New BindingSource
bs.DataSource = dt
dgv.BindingContext(bs).Position = bs.Find(columnName, x)
dgv.CurrentCell = dgv(0, bs.Position)
Else
If letter = "z" Then
letter = "a"
ElseIf letter = "Z" Then
letter = "A"
Else : letter = Chr(Asc(letter) + 1)
End If
End If
End While
Catch ex As Exception
Dim stackframe As New Diagnostics.StackFrame(1)
Throw New Exception("An error occurred in routine, '" & stackframe.GetMethod.ReflectedType.Name & "." & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'." & Environment.NewLine & " Message was: '" & ex.Message & "'")
End Try
End Sub
然后调用:
Private Sub dgvNew_KeyPress(sender As Object, e As System.Windows.Forms.KeyPressEventArgs) Handles dgvNew.KeyPress
Try
If dgvNew.RowCount > 0 Then
GoToLetterTypedInDataGridView(dgvNew, "columnName", 0, e.KeyChar)
End If
Catch ex As Exception
Dim stackframe As New Diagnostics.StackFrame(1)
Throw New Exception("An error occurred in routine, '" & stackframe.GetMethod.ReflectedType.Name & "." & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'." & Environment.NewLine & " Message was: '" & ex.Message & "'")
End Try
End Sub