// 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> ListViewMessages_GetData()
{
var context = new SimpleChatEntities();
return context.Messages
.OrderByDescending(m => m.Timestamp)
.Take(100);
}
// 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> ListViewMessages_GetData()
{
var context = new SimpleChatEntities();
return(context.Messages
.OrderByDescending(m => m.Timestamp)
.Take(100));
}
protected void ButtonSendMessage_Click(object sender, EventArgs e)
{
if (!IsValid)
{
return;
}
string contents = this.TextBoxContents.Text.Trim();
string author = this.TextBoxAuthor.Text.Trim();
if (contents.Length > 250)
{
this.LabelErrorMessage.Text = "The contents must be at most 250 characters long.";
return;
}
if (author.Length > 50)
{
this.LabelErrorMessage.Text = "The author name must be at most 50 characters long.";
return;
}
var context = new SimpleChatEntities();
var message = new Message
{
Contents = this.TextBoxContents.Text,
Author = this.TextBoxAuthor.Text,
Timestamp = DateTime.Now
};
context.Messages.Add(message);
context.SaveChanges();
this.TextBoxContents.Text = string.Empty;
this.TextBoxAuthor.Text = string.Empty;
}
protected void ButtonSendMessage_Click(object sender, EventArgs e)
{
if (!IsValid)
{
return;
}
string contents = this.TextBoxContents.Text.Trim();
string author = this.TextBoxAuthor.Text.Trim();
if (contents.Length > 250)
{
this.LabelErrorMessage.Text = "The contents must be at most 250 characters long.";
return;
}
if (author.Length > 50)
{
this.LabelErrorMessage.Text = "The author name must be at most 50 characters long.";
return;
}
var context = new SimpleChatEntities();
var message = new Message
{
Contents = this.TextBoxContents.Text,
Author = this.TextBoxAuthor.Text,
Timestamp = DateTime.Now
};
context.Messages.Add(message);
context.SaveChanges();
this.TextBoxContents.Text = string.Empty;
this.TextBoxAuthor.Text = string.Empty;
}
