Вот код формы:
<form id="SearchForm" style="width: 99.3%;">
<div style="background-color: #f5f5f5;" class="k-block">
<div style="margin-left: 10px;margin-top: 10px;margin-bottom: 10px;">
<div>
<input type="text" id="client" class="k-textbox" autocomplete="off" data-field="client-input" style="height: 33px;" placeholder="Введите ФИО или номер клиента..." />
<input type="text" id="userId" name="userId" value="@(UserAccessor.GetInternalIdentity()?.Id != null ? UserAccessor.GetInternalIdentity()?.Id : 0)" style="display: none;" />
<button id="SearchForm-reset" type="reset" title="Очистить форму"><span class="k-icon k-i-close"></span></button>
</div>
<div id="searchFormFilters" style="display: none">
<div class="drop">
<label for="executor">Принял:</label>
<input type="text" id="executor" data-role="dropdownlist" data-option-label="Выберите специалиста..."
data-value-field="id"
data-text-field="title"
data-bind="value: SelectedExecutorId,
source: executor,
enabled: executor.enabled"
name="executor"
style="width:300px" />
</div>
<div class="drop">
<label for="recommender">Рекомендовал:</label>
<input type="text" id="recommender" data-role="dropdownlist" data-option-label="Выберите специалиста..."
data-value-field="id"
data-text-field="title"
data-bind="value: SelectedRecommenderId,
source: recommender,
enabled: recommender.enabled"
name="recommender"
style="width:300px" />
</div>
<div class="drop">
<label for="StartDate">С:</label>
<input name="StartDate" data-role="datepicker" id="StartDate" placeholder="Выберите дату..."
style="width:100%;"
data-bind="value: StartDate" />
</div>
<div class="drop">
<label for="EndDate">До:</label>
<input name="EndDate" data-role="datepicker" id="EndDate" placeholder="Выберите дату..."
style="width:100%;"
data-bind="value: EndDate" />
</div>
</div>
</div>
<div id="ExtSearch" class="expand-button-content" style="width:150px;margin-left: 10px;">
<a id="ExtSearchOpen" href="javascript:void(0)" style="">Расширенный поиск</a>
<a id="ExtSearchClose" href="javascript:void(0)" style="display:none;">Скрыть поля поиска</a>
</div>
</div>
</form>