When we create a GrideView and add Columns to it, we need to add a TemplateField and add a HeaderText which will be shown on the front-end as shown below. In the below code we have a HeaderText of Data-2017 but we do not want to hard code the year (i.e. 2017) thus we will be using Property to get the Current Year.
<asp:TemplateField HeaderText="Data-2017">
<ItemTemplate>
<asp:Label ID="DataCurrentYear" runat="server" Text='<%# Bind("DataYear") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
The problem is that you cannot directly use the Property in HeaderText of TemplateField. To use it, you need to add a HeaderTemplate inside TemplateField and add an asp label with the required dynamic data as shown below where FiscalYear is the property which supplies current year property.
<asp:TemplateField>
<HeaderTemplate>
<asp:Label ID="CurrentYear" runat="server" Text='<%# "Data-" + this.FiscalYear %>'></asp:Label>
</HeaderTemplate>
<ItemTemplate>
<asp:Label ID="DataCurrentYear" runat="server" Text='<%# Eval("CurrentYearActual","{0:N0}") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
This is just a basic example on how you can access the property in GridView Header Template. Please Like and Share the Blog, if you find it interesting and helpful.
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