DataGridViewComboBoxColumn SelectedIndexChanged中触发的事件 [英] Event that fires during DataGridViewComboBoxColumn SelectedIndexChanged

问题描述

我有两个列的 DataGridView 第一列是 TextBoxCol（DataGridViewTextBoxColumn），第二列是 ComboBoxCol（DataGridViewComboBoxColumn）。

I have DataGridView with two columns. The first column is TextBoxCol(DataGridViewTextBoxColumn) and the Second one is ComboBoxCol(DataGridViewComboBoxColumn).

当 ComboBoxCol 更改其所选索引值时，如何更改 TextBoxCol 的值？
（当选择的索引在 ComboBoxCol 中更改时，应该会发生这种情况，而不是离开列后，像 dataGridView_CellValueChanged ）

How can I change the value of TextBoxCol when ComboBoxCol changes its selected index value? (This should happen when selected index changed in ComboBoxCol. Not after leaving the column, like dataGridView_CellValueChanged)

我已经阅读了一个与我有几乎相同的问题的主题，但我不明白答案（这应该是基于复选标记的正确的）。这是链接。 - 几乎相同的主题

I have read one topic with almost the same problem that I am having but I dont understand the answer(which should be correct base on the check mark). Here's the link. -Almost same topic

推荐答案

给出这两个简单的方法（顶部的'1'是combobox列的索引）

Give these two simple methods a go (the '1' in the top method is the index of the combobox column)

您将使您修改的行将是设置行 cel.Value = ，因为您可以将其更改为任何您喜欢的。

The line that you would make you modifications to would be the setter line cel.Value =, as you may change it to whatever you like.

    private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
    {
        if (dataGridView1.CurrentCell.ColumnIndex == 1 && e.Control is ComboBox)
        {
            ComboBox comboBox = e.Control as ComboBox;
            comboBox.SelectedIndexChanged += LastColumnComboSelectionChanged;
        }
    }

    private void LastColumnComboSelectionChanged(object sender, EventArgs e)
    {
        var currentcell = dataGridView1.CurrentCellAddress;
        var sendingCB = sender as DataGridViewComboBoxEditingControl;
        DataGridViewTextBoxCell cel = (DataGridViewTextBoxCell)dataGridView1.Rows[currentcell.Y].Cells[0];
        cel.Value = sendingCB.EditingControlFormattedValue.ToString();
    }

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