Multiline Textbox

For a TextBox to display its content in multiline, the following properties must be set:

Content displayed in DataPanel-TextBox

Content displayed in DataGrid

If the IsMultiline property is set, but the BindingFormat is SingleLine, the content will be displayed on a single line, and can be edited by double click on the TextBox.

Content displayed in TextBox(DataGrid or DataPanel)

Edit content by double click