public string SetFilterBySessionKey(string controlName, string filter)
{
RemoveFilter(controlName);
var sessionKey = Guid.NewGuid().ToString();
// note: возмножно вместо удаления параметров нужно использовать сессию
while (ControlFilterParameters.Count > 2)
{
ControlFilterParameters.RemoveAt(0);
}
if (!string.IsNullOrEmpty(sessionKey) && HttpContext.Current != null && HttpContext.Current.Session != null)
{
HttpContext.Current.Session[sessionKey] = filter;
ControlFilterParameters.Add(new FilterParameter {
Key = controlName, SessionKey = sessionKey
});
}
else
{
ControlFilterParameters.Add(new FilterParameter {
Key = controlName, Value = filter
});
}
return(sessionKey);
}
public void SetFilter(string controlName, string filter)
{
var sessionKey = RemoveFilterGetSession(controlName);
while (ControlFilterParameters.Count > 4)
{
ControlFilterParameters.RemoveAt(0);
}
if (filter != null && filter.Length > 100 && string.IsNullOrEmpty(sessionKey) && HttpContext.Current != null && HttpContext.Current.Session != null)
{
sessionKey = Guid.NewGuid().ToString();
}
if (!string.IsNullOrEmpty(sessionKey) && !string.IsNullOrEmpty(filter) && HttpContext.Current != null && HttpContext.Current.Session != null)
{
if (HttpContext.Current.Session[sessionKey] != null && (string)HttpContext.Current.Session[sessionKey] != filter)
{
sessionKey = Guid.NewGuid().ToString();
}
HttpContext.Current.Session[sessionKey] = filter;
ControlFilterParameters.Add(new FilterParameter {
Key = controlName, SessionKey = sessionKey
});
}
else
{
ControlFilterParameters.Add(new FilterParameter {
Key = controlName, Value = filter
});
}
}