MVC 3 Webgrid - 你如何隐藏你不想看到的列？

Question

我有一个webgrid,有一个列我想只对某些用户可见.目前我已按如下方式编码网格

if (Context.User.IsInRole(Role.Inputter) || Context.User.IsInRole(Role.Administrator))
{
    @grid.GetHtml(columns: grid.Columns(
        grid.Column(format: (item) => Html.ActionLink("Select", "Details", new { contractId = item.ContractId })),
        grid.Column(format: (item) => Html.ActionLink("Edit", "Edit", new { contractId = item.ContractId })),
        grid.Column("SignOffDate", "Sign Off Date",
            format: @<text> <span>@item.SignOffDate.ToString("d/M/yyyy")</span></text>),
        grid.Column("FullContractNumber", "Contract Number"),
        grid.Column("ContractTitle", "Title")
    ));
}
else
{ 
    @grid.GetHtml(columns: grid.Columns(
        grid.Column(format: (item) => Html.ActionLink("Select", "Details", new { contractId = item.ContractId })),
        grid.Column("SignOffDate", "Sign Off Date",
            format: @<text> <span>@item.SignOffDate.ToString("d/M/yyyy")</span></text>),
        grid.Column("FullContractNumber", "Contract Number"),
        grid.Column("ContractTitle", "Title")
    ));
}

但是肯定有更好的方法而不重复所有代码？2列输入之间的唯一区别是我想显示特定用户的编辑链接.那么这样做的最佳替代方式是什么？

Answer 1

尝试这样(未经测试,目前无法访问VS):

@{
    var gridColumns = new List<WebGridColumn>();
    gridColumns.Add(grid.Column(format: (item) => Html.ActionLink("Select", "Details", new { contractId = item.ContractId })));
    if (Context.User.IsInRole(Role.Inputter) || Context.User.IsInRole(Role.Administrator))
    {
        gridColumns.Add(grid.Column(format: (item) => Html.ActionLink("Edit", "Edit", new { contractId = item.ContractId })));
    }
    gridColumns.Add(grid.Column("SignOffDate", "Sign Off Date", format: @<text> <span>@item.SignOffDate.ToString("d/M/yyyy")</span></text>));
    gridColumns.Add(grid.Column("FullContractNumber", "Contract Number"));
    gridColumns.Add(grid.Column("ContractTitle", "Title"));
}

@grid.GetHtml(columns: grid.Columns(gridColumns.ToArray()));