Therapyx

protected void dvPurchase_DataBound(object sender, EventArgs e)
    {
        DropDownList ddl_Text = (DropDownList)dvPurchase.FindControl("ddl_Text");
        if (dvPurchase.CurrentMode == DetailsViewMode.Insert)
        {            
            loadCategoryList();
            Label1.Text = "Insert";         
        }
        if (dvPurchase.CurrentMode == DetailsViewMode.Edit)
        {           
            loadCategoryList();
            Label1.Text = "Edit";        
        }
        if (dvPurchase.CurrentMode == DetailsViewMode.ReadOnly)
            Label1.Text = "ReadOnly";  
        
    }

SELECT COUNT(users_guests.id_user ) AS любое название
FROM `users `, 'users_guests' 
WHERE 'users.gender' = "Мужской" AND 'users.active' = "Y"
AND 'users.id' = 'users_guests.id

if (Session[Role] == "READ") {  
 ...
}

public static bool AuthorizedToEdit()
    {
        bool check = false;
        if (HttpContext.Current.Session["ROLE"].ToString() == "WRITE")
        {
            check = true;
        }
        else
            check = false;
        return check;
    }