protected override void OnClick(DataGridViewCellEventArgs e)
{
DataGridViewRow row = this.OwningRow;
DataGridView view = row.DataGridView;
string filename = row.Cells[2].Value as string;
if (!string.IsNullOrEmpty(filename))
{
Uri uri = new Uri(filename);
if (uri.IsFile)
{
var path = uri.LocalPath;
fd.InitialDirectory = System.IO.Path.GetDirectoryName(path);
fd.FileName = System.IO.Path.GetFileName(path);
}
}
else
{
fd.FileName = "";
}
fd.Multiselect = false;
if (fd.ShowDialog(this.DataGridView.FindForm()) == DialogResult.OK)
{
if (SchemaDialogCommand.ValidateSchema(row, fd.FileName) != null)
{
row.Cells[2].Value = fd.FileName;
}
}
}
public static XmlSchema ValidateSchema(DataGridViewRow row, string filename)
{
try {
XmlSchema schema = SchemaDialogCommand.LoadSchema(filename); // make sure we can load it!
return(schema);
} catch (Exception ex) {
MessageBox.Show(string.Format(SR.SchemaLoadError, filename, ex.Message),
SR.SchemaError, MessageBoxButtons.OK, MessageBoxIcon.Error);
return(null);
}
}
void dataGridView1_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
{
if (e.ColumnIndex == 2)
{
DataGridViewRow row = this.dataGridView1.Rows[e.RowIndex];
string filename = e.FormattedValue as string;
if (string.IsNullOrEmpty(filename))
{
return;
}
if (SchemaDialogCommand.ValidateSchema(row, filename) == null)
{
e.Cancel = true;
}
}
}
public SchemaDialogEditCommand(DataGridView view, List <SchemaItem> items, DataGridViewRow row, string newSchema)
: base(view, items)
{
this.newSchema = newSchema;
this.row = row;
SchemaItem item = row.Tag as SchemaItem;
if (item != null)
{
oldSchema = item.Filename;
oldNamespace = item.TargetNamespace;
schema = item.Schema;
}
// should succeed because previous code already validated the filename.
schema = SchemaDialogCommand.LoadSchema(newSchema);
newNamespace = schema == null ? "" : schema.TargetNamespace;
index = row.Index;
}
