C# foreach循环绑定key数组和value 数组（备用）

<div class="ContextualTab inner_warp clearfix"  data-max="2" data-blur=false data-split="1">
                                @if (!Model.CompanyType.IsNull() && !Model.CompanyTypeString.IsNull()) {
                                    var companyTypeString = Model.CompanyTypeString.Split(',').ToList();
                                    var companyType = Model.CompanyType.Split(',').ToList();
                                    foreach (var item in companyTypeString) {
                                        var index = companyTypeString.IndexOf(item);
                                        <span class="tags" data->@item<em>×</em></span>
                                    }
                                }
                                <input  />
                            </div>
环境：
key在一个数组里面，key对应的value在另一个数组里面