public IQueryable<Message> GetMessages()
{
ChatIdentityEntities context = new ChatIdentityEntities();
var messages = context.Messages;
return messages;
}
// The return type can be changed to IEnumerable, however to support
// paging and sorting, the following parameters must be added:
// int maximumRows
// int startRowIndex
// out int totalRowCount
// string sortByExpression
public IQueryable<Message> ListViewAdmin_GetData()
{
ChatIdentityEntities context = new ChatIdentityEntities();
var messages = context.Messages;
return messages;
}
// The id parameter name should match the DataKeyNames value set on the control
public void ListViewAdmin_DeleteItem(int messageId)
{
ChatIdentityEntities context = new ChatIdentityEntities();
Message message = context.Messages.Find(messageId);
if (message != null)
{
context.Messages.Remove(message);
context.SaveChanges();
}
}
protected void ButtonSend_Click(object sender, EventArgs e)
{
var message = Server.HtmlEncode(this.TextBox_NewMessage.Text);
if (message == string.Empty)
{
return;
}
ChatIdentityEntities context = new ChatIdentityEntities();
context.Messages.Add(new Message() { Message1 = message });
context.SaveChanges();
}
// The id parameter name should match the DataKeyNames value set on the control
public void ListViewAdmin_UpdateItem(int messageId)
{
// Load the item here, e.g. item = MyDataLayer.Find(id);
ChatIdentityEntities context = new ChatIdentityEntities();
Message message = context.Messages.Find(messageId);
if (message == null)
{
// The item wasn't found
ModelState.AddModelError("", String.Format("Category with id {0} was not found", messageId));
return;
}
TryUpdateModel(message);
if (ModelState.IsValid)
{
context.Entry(message).State = EntityState.Modified;
context.SaveChanges();
}
}
