GridView绑定的字段截取

模板列:

<asp:TemplateField FooterText="资产配置" HeaderText="资产配置" SortExpression="cAsset_Set">
                <ItemStyle HorizontalAlign="Center" />
                 <HeaderStyle HorizontalAlign="Center" Width="15%" />
                 <ItemTemplate>
                                                <%# Eval("cAsset_Set").ToString().Length>15?Eval("cAsset_Set").ToString().Substring(0,20):Eval("cAsset_Set").ToString()%>
                </ItemTemplate>
</asp:TemplateField>

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