Add ComboBox and Gantt HowTo articles

Author: IvanDanchev

controls/combobox/how-to/filter-combobox-with-checkbox-support-enabled.md

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+---
+title: Filter ComboBox with CheckBox support enabled
+page_title: Filter ComboBox with CheckBox support enabled | RadComboBox for ASP.NET AJAX Documentation
+description: Filter ComboBox with CheckBox support enabled
+slug: combobox/how-to/filter-combobox-with-checkbox-support-enabled
+tags: filter,combobox,with,checkbox,support,enabled
+published: True
+position: 12
+---
+
+# Filter ComboBox with CheckBox support enabled
+
+
+
+## 
+
+The following code library example demonstrates how the ComboBox can be filtered when CheckBox support is enabled:
+
+[Example](http://www.telerik.com/support/code-library/filter-combobox-with-checkboxes-support-enabled) 
+

controls/gantt/how-to/custom-task-edit-window.md

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+---
+title: Custom Task Edit Window
+page_title: Custom Task Edit Window | UI for ASP.NET AJAX Documentation
+description: Custom Task Edit Window
+slug: gantt/how-to/custom-task-edit-window
+tags: custom,task,edit,window
+published: True
+position: 1
+---
+
+# Custom Task Edit Window
+
+
+
+## 
+
+The following code library example shows how to implement a Custom Task Edit Window:
+
+[Example](http://www.telerik.com/support/code-library/custom-task-edit-window)
+