C# 如何将 DataGridView 文本框列设置为多行？
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How to set DataGridView textbox column to multi-line?
提问by Wahid Bitar
How to let "DataGridViewTextBoxColumn" in DataGridViewsupports Multiline property?
如何让“ DataGridViewTextBoxColumn”DataGridView支持多行属性？
采纳答案by Tim S. Van Haren
You should be able to achieve this by setting the WrapModeof the DefaultCellStyleof your DataGridViewTextBoxColumnto true.
您应该能够通过设置来实现这一目标WrapMode的DefaultCellStyle您的DataGridViewTextBoxColumn到true。
回答by usman Majeed
Apart from setting WrapModeof the DefaultCellStyle, you can do the following:
除了设置WrapMode的DefaultCellStyle，你可以做到以下几点：
- You need to catch GridView's
EditingControlShowingEvent - Cast
Controlproperty on the EventArgs to the type you want (i.e. textbox, checkbox, or button) - Using that casted type, change the
Multilineproperty like below:
- 您需要捕获 GridView 的
EditingControlShowing事件 - 铸造
Control于EventArgs的到你想要的类型属性（即文本框，复选框或按钮） - 使用该强制类型，更改如下
Multiline属性：
private void MyGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
TextBox TB = (TextBox)e.Control;
TB.Multiline = true;
}
回答by Tom Faust
I have found that there are two things that you need to do, both in the designer, to make a text cell show multiple lines. As Tim S. Van Harenmentioned, you need to set WrapModeof the DefaultCellStyleof your DataGridViewTextBoxColumnto true. And although that does make the text wrap, it doesn't make the row expand to show anything beyond the first line. In addition to WrapMode, the AutoSizeRowsModeof the DataGridViewmust be set to the appropriate DataGridViewAutoSizeRowsModeenumeration value. A value such as DataGridViewAutoSizeRowsMode.AllCellsallows the cell to expand vertically and show the entire wrapped text.
我发现您需要在设计器中做两件事才能使文本单元格显示多行。作为添S.范·哈伦提到的，你需要设置WrapMode的DefaultCellStyle你的DataGridViewTextBoxColumn来true。尽管这确实使文本换行，但它不会使行扩展以显示第一行以外的任何内容。此外WrapMode，该AutoSizeRowsMode的DataGridView必须设置相应的DataGridViewAutoSizeRowsMode枚举值。诸如DataGridViewAutoSizeRowsMode.AllCells允许单元格垂直扩展并显示整个换行文本的值。
回答by Pavan M
int multilineht = 0;
private void CustGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
multilineht = CustGridView.Rows[CustGridView.CurrentCell.RowIndex].Height;
CustGridView.AutoResizeRow(CustGridView.CurrentCell.RowIndex, DataGridViewAutoSizeRowMode.AllCells);
}
private void CustGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
CustGridView.Rows[CustGridView.CurrentCell.RowIndex].Height = multilineht;
}
