I have a DataGridView bound to xml file. I would like to sort by first column and treat values as integers (not strings).
XmlDataDocument xml = new XmlDataDocument();
xml.DataSet.ReadXml("file.xml");
dataGridView.DataSource = new BindingSource(xml.DataSet, "Item");
What do I have to do to make this work? Inherit DataGridView and override Sort? Sort BindingSource? Sort DataSet?
Note to future readers:
Accepted answer doesn't work for my code snippet. DataType must be changed before data is loaded. DataSet should be manually created:
DataTable table = new DataTable("Item");
table.Columns.Add(new DataColumn("id", typeof(int)));
table.Columns.Add(new DataColumn("name", typeof(string)));
DataSet set = new DataSet();
set.Tables.Add(table);
set.ReadXml("file.xml", XmlReadMode.IgnoreSchema);
dataGridView.DataSource = new BindingSource(set, "Item");
您需要更改DataSet,以使列的DataType为System.Int32
。
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