Conversion problem

[tucko]

hi all
does any know how to convert this one

switch (((Filter)c).FilterModifier)
        {

im getting error -
Cannot convert type 'System.Web.UI.Control' to 'Reports.Filter'
Filter is a class containing a collection od filters.
Reports is a class of the reports and the filter collection is linked with the reports.
c is a control and i want to get .FilterModifier in the Filter class for control c

[alc6379]

Can you post more of the code? I've never seen a Control with that property that's part of System.Web.UI.Control.

On top of that, even if that particular cast is possible, that looks a bit confusing. Why not do this:

Control c; 
Filter myFilter = (Filter)c; //that's assuming this is possible

//then... 

switch(myFilter.FilterModifier)
{
	//rest of your code

again, assuming that's even possible.

Another thing to consider is that the switch statement only works with primitive types. Is FilterModifier an enum or something?

[tucko]

ok here is what i need.

i have several custom web controls.
filter is a class where filters for 'class reports' are stored.

public class Filter : DBmethods
    {
        #region Private Variables
        private int _Sifra;
        private int _Reports_ID;
        private string _FilterName;
        private string _FilterDataType;
        private string _FilterModifier;
        private bool _FilterHasHierarchy;
        private bool _FilterHasSpisok;
        private bool _FilterMandatory;
        private int _FilterOrder;
}

i set the filters as collection and load them in class report.

than i create the web controls

foreach (Filter F in _R.Filters)
        {
            Control C = null;
            switch (F.FilterModifier)
            {
                case "TEXT":
                    C = new LbControls.TextField();
                    break;
                case "NUMERIC":
                    C = new LbControls.NumericField();
                    break;
                case "DATE":
                    C = new LbControls.DateField();
                    break;
                case "COMBO":
                    C = new LbControls.VnosSifraNaziv();
                    if (F.FilterHasHierarchy == true)
                    {
                        //C.ShowHierarhija = true;

                    }
                    F.Conn = _R.Conn;
                    break;
                case "CHECKBOX":
                    C = new LbControls.BooleanField();
                    break;
            }

im using component one and I add the controls in 'spliter'

Web_FilterSpliter_Panel1.Controls.Add(C);

now controls are all set and i need to fill them with data

private void FillControls()
    {
        foreach (Control c in Web_FilterSpliter_Panel1.Controls)
        {

            SetControl(c);
       }
}

and SetControl(c) is

private void SetControl(Control c)
        {
            switch (((Filter)c).FilterModifier)// im trying to cast control as filter
            {
                case "TEXT":
                    break;
}

i need to get the filterModifier for the control c and than to bind the webcontrol with data acording to that filter modifier.
filtermodifier has data about the type of the control ex 'TEXT','COMBO' etc
i can render the controls properly but i can't bind them with data. That data is the text of the 'LABEL' or the items in the 'COMBO'

[alc6379]

I think it still boils down to the fact that you can't cast a Control to that Filter type directly. You're going to have to write logic to do that conversion, or something.

[tucko]

Can you please give me some knowledge how to do that. Im switching from VB.NET to C# and i've tried this code in vb, cType solves the problem. Please paste some example code!
Thanks for replying my post!