DataGridViewのセル入力について (ID:142717)

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本文 これでどうでしょう。 Public Class Form1 Private table As DataTable Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load table = New DataTable() table.Columns.Add("単価", GetType(Decimal)) table.Columns.Add("管理費", GetType(Decimal)) table.Columns.Add("金額", GetType(Decimal), "単価+管理費") table.Rows.Add(3.9D, 1D) table.Rows.Add(2.3D, 2D) BindingSource1.DataSource = table DataGridView1.DataSource = BindingSource1 DataGridView1.EditMode = DataGridViewEditMode.EditOnEnter End Sub Private Sub DataGridView1_CellEndEdit(ByVal sender As Object, ByVal e As DataGridViewCellEventArgs) Handles DataGridView1.CellEndEdit BindingSource1.EndEdit() End Sub End Class