protected void Page_PreRender(object sender, EventArgs e)
{
ChatContext db = new ChatContext();
ChatListView.DataSource = db.Messages.ToList();
ChatListView.DataBind();
if (ViewState["username"] != null)
{
((TextBox)Page.FindControl("tb_Username")).Text = (string)ViewState["username"];
}
((TextBox)Page.FindControl("tb_Message")).Text = "";
}
protected void InsertButton_Command(object sender, CommandEventArgs e)
{
var tbUsername = ((TextBox)Page.FindControl("tb_Username"));
if(string.IsNullOrWhiteSpace(tbUsername.Text)){
return ;
}
ViewState["username"] = tbUsername.Text;
string username = tbUsername.Text;
string text = ((TextBox)Page.FindControl("tb_Message")).Text;
ChatContext db = new ChatContext();
db.Messages.Add(new Message()
{
Username = username,
Text = text
});
db.SaveChanges();
}