private void clstElement_DrawItem(object sender, DevExpress.XtraEditors.ListBoxDrawItemEventArgs e)
{
BindingListView <EntityElementTemplate> source = clstElement.DataSource as BindingListView <EntityElementTemplate>;
if (source != null)
{
EntityElementTemplate objElementTemplate = source.FirstOrDefault(t => t.serno.ToString() == e.Item.ToString());
if (objElementTemplate.linkSerno != null)
{
e.Appearance.ForeColor = Color.Blue;
//e.Appearance.Font = new Font("宋体", 10.5f, FontStyle.Bold);
}
}
}
/// <summary>
/// Demo get only changed fields
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
var item = view.FirstOrDefault(c => c.CustomerIdentifier == 4);
var entry = context.Entry(item);
if (entry.State != EntityState.Modified)
{
return;
}
//CheckIfDifferent(entry);
var originalEntity = context.Customers.AsNoTracking()
.FirstOrDefault(me => me.CustomerIdentifier == item.CustomerIdentifier);
Console.WriteLine();
foreach (var propertyName in entry.CurrentValues.PropertyNames)
{
//Console.WriteLine("Property Name: {0}", propertyName);
//get original value
var orgVal = entry.OriginalValues[propertyName];
//Console.WriteLine(" Original Value: {0}", orgVal);
//get current values
var curVal = entry.CurrentValues[propertyName];
//Console.WriteLine(" Current Value: {0}", curVal);
if (!orgVal.Equals(curVal))
{
Console.WriteLine($"{propertyName} -> {orgVal} - {curVal}");
}
}
}
