I have just started working on WPF and I am fairly new to this technology. I need to add a excel filter like functionality for datagrid control. I have successfully added a combobox(with checkboxes inside) in the header of the datagrid. The datagrid
needs to display "All" as first checkbox. If user checks this first checkbox all other checkboxes(inside same combo) need to be checked automatically. Following is my datatemplate for combo. I have placed in column header combo through codebehind.
<ComboBox Name="cboTask" Loaded="cboTask_Loaded" Wid
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