예제 #1
0
        public static Control FindChildControl(Control seed, string typeFullName, bool shallow)
        {
            if (seed == null || string.IsNullOrEmpty(typeFullName))
            {
                return(null);
            }

            Control found = null;

            foreach (Control control in seed.Controls)
            {
                if (ReflectionUtils.IsTypeOf(control, typeFullName, shallow))
                {
                    found = control;
                }
                else if (ControlUtils.HasControls(control))
                {
                    found = ControlUtils.FindChildControl(control, typeFullName, shallow);
                }

                if (found != null)
                {
                    break;
                }
            }

            return(found);
        }
예제 #2
0
        private static Control FindControl(Control seed, string id, bool traverse, Control branch)
        {
            if (seed == null || string.IsNullOrEmpty(id))
            {
                return(null);
            }

            Control found = null;

            try
            {
                found = seed.FindControl(id);

                if (found != null)
                {
                    return(found);
                }
            }
            catch (HttpException)
            {
                /// TODO: Notes regarding the FindControl Method.

                // We need to call the native .FindControl because .EnsureChildControls()
                // can only be called internally by a Control.

                // If protected .FindControl finds the control, we just return the found control.

                // There is a bug in Visual Studio Design-Mode which causes protected/native
                // .FindControl to think it's found two controls with the same ID, although only
                // one exists. The conflict appears to be coming from a cached version of the assembly.
                // Might be related to the following Microsoft KB834608 article, see
                // http://support.microsoft.com/default.aspx/kb/834608

                // start checking .ID property
            }

            Control root = (seed is INamingContainer) ? seed : seed.NamingContainer;

            string exclude = (branch != null) ? branch.ID ?? "" : "";

            foreach (Control control in root.Controls)
            {
                if (!exclude.Equals(control.ID) && ControlUtils.HasControls(control))
                {
                    found = ControlUtils.FindChildControl(control, id);
                }

                if (found != null)
                {
                    break;
                }
            }

            if (traverse && found == null)
            {
                found = ControlUtils.FindControl(root.NamingContainer, id, traverse, root);
            }

            return(found);
        }
예제 #3
0
        public static T FindChildControl <T>(Control seed, string id) where T : Control
        {
            Control c = ControlUtils.FindChildControl(seed, id);

            if (c != null && !ReflectionUtils.IsTypeOf(c, typeof(T)))
            {
                throw new InvalidCastException(string.Format("The Control ID ('{0}') was found, but it was not a type of {1}. The found Control was a type of {2}.", id, typeof(T).ToString(), c.GetType().ToString()));
            }

            return(c as T);
        }
예제 #4
0
        private static Control FindControlByTypeName(Control seed, string typeFullName, bool shallow, bool traverse, Control branch)
        {
            if (seed == null || string.IsNullOrEmpty(typeFullName))
            {
                return(null);
            }

            Control root = (seed is INamingContainer) ? seed : seed.NamingContainer;

            if (ReflectionUtils.IsTypeOf(root, typeFullName, shallow))
            {
                return(root);
            }

            Control found   = null;
            string  exclude = (branch != null) ? branch.ID ?? "" : "";

            foreach (Control control in root.Controls)
            {
                if (!exclude.Equals(control.ID))
                {
                    if (ReflectionUtils.IsTypeOf(control, typeFullName, shallow))
                    {
                        found = control;
                    }
                    else if (ControlUtils.HasControls(control))
                    {
                        found = ControlUtils.FindChildControl(control, typeFullName, shallow);
                    }

                    if (found != null)
                    {
                        break;
                    }
                }
            }

            if (traverse && found == null)
            {
                found = ControlUtils.FindControlByTypeName(root.NamingContainer, typeFullName, shallow, traverse, root);
            }

            return(found);
        }
예제 #5
0
        /*  FindChildControl
         *  -----------------------------------------------------------------------------------------------*/

        /// <summary>
        ///
        /// </summary>
        /// <param name="seed"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public static Control FindChildControl(Control seed, string id)
        {
            if (seed == null || string.IsNullOrEmpty(id))
            {
                return(null);
            }

            Control found = null;

            try
            {
                found = seed.FindControl(id);

                if (found != null)
                {
                    return(found);
                }
            }
            catch (HttpException)
            {
            }

            //Control root = (seed is INamingContainer) ? seed : seed.NamingContainer;

            foreach (Control control in seed.Controls)
            {
                if (ControlUtils.HasControls(control))
                {
                    found = ControlUtils.FindChildControl(control, id);
                }

                if (found != null)
                {
                    break;
                }
            }

            return(found);
        }
예제 #6
0
 public static T FindChildControl <T>(Control seed, bool shallow) where T : Control
 {
     return(ControlUtils.FindChildControl(seed, typeof(T), shallow) as T);
 }
예제 #7
0
 public static T FindChildControl <T>(Control seed) where T : Control
 {
     return(ControlUtils.FindChildControl(seed, typeof(T), false) as T);
 }