this is my form …
<form id="dynamic_form_updates" is="dmx-serverconnect-form" action="dmxConnect/api/Client_Datatables/Dynamic_Data_Tables_Uptade/update.aspx" method="post" name="hh" enctype="application/x-www-form-urlencoded">
<div class="form-group p-0" dmx-repeat:repeat1="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where("columnDisplayType", "INTEGER", "==")">
<label class="bmd-label-floating p-0" dmx-show="((columnDisplayType != 'CODELOOKUP') && (columnName != 'id') && (columnName != 'client_id'))">{{columnName.replace("_", " ").titlecase()}}</label>
<input dmx-show="((columnDisplayType != 'CODELOOKUP') && (columnName != 'id') && (columnName != 'client_id'))" dmx-bind:type="'number'" class="form-control mt-0" dmx-bind:id="'input'+$index" dmx-bind:name="columnName" dmx-bind:required="((isColumnNullable == false) && (columnName != 'id') && (columnName != 'client_id'))" dmx-bind:data-msg-required="((isColumnNullable == false) && (columnName != 'client_id') && (columnName != 'client_id')) ? 'This field required and INTEGER' : ''">
</div>
<div class="form-group p-0" dmx-repeat:repeat2="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where("columnDisplayType", "DECIMAL", "==")">
<label class="bmd-label-floating p-0" dmx-show="columnDisplayType != 'CODELOOKUP'">{{columnName.replace("_", " ").titlecase()}}</label>
<input dmx-show="columnDisplayType != 'CODELOOKUP'" dmx-bind:type="'number'" class="form-control" dmx-bind:id="'decimal1'+$index" dmx-bind:name="columnName" dmx-bind:required="isColumnNullable == false" dmx-bind:data-msg-required="isColumnNullable == false ? 'This field required and DECIMAL' : ''">
</div>
<div class="form-group p-0" dmx-repeat:repeat10="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where("columnDisplayType", "STRING", "==")">
<label class="bmd-label-floating p-0">{{columnName.replace("_", " ").titlecase()}}</label>
<input dmx-show="columnDisplayType != 'CODELOOKUP'" dmx-bind:type="text" class="form-control" dmx-bind:id="'input1'+$index" dmx-bind:name="columnName" dmx-bind:required="isColumnNullable == false" dmx-bind:data-msg-required="isColumnNullable == false ? 'This field required' : ''">
</div>
<div class="form-group p-0" dmx-repeat:repeat11="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where(`columnDisplayType`, "CODELOOKUP", "==")">
<select dmx-show="columnDisplayType == 'CODELOOKUP'" dmx-bind:id="'selectMDPa'+$index" class="form-control" dmx-bind:options="columnValues" data-style="select-with-transition" optionvalue="id" optiontext="value" dmx-bind:name="columnName" dmx-bind:required="isColumnNullable == false" dmx-bind:data-msg-required="isColumnNullable == false ? 'This field required' : ''">
<option value="">Choose {{columnName.replace("_", " ").titlecase()}}</option>
</select>
</div>
<div class="form-group p-0" dmx-bind:id="'selecst'+$index" dmx-show="columnDisplayType == 'BOOLEAN'" dmx-repeat:repeat12="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where(`columnDisplayType`, "BOOLEAN", "==")">
<select dmx-bind:id="'selectMDPa'+$index" dmx-bind:name="columnName" data-style="select-with-transition" class="form-control" dmx-bind:data-msg-required="isColumnNullable == false ? 'This field required' : ''" dmx-bind:required="isColumnNullable == false">
<option value="">Choose {{columnName.replace("_", " ").titlecase()}}</option>
<option value="True">True</option>
<option value="False">False</option>
</select>
</div>
<div class="form-group p-0" dmx-repeat:repeat13="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where(`columnDisplayType`, "DATE", "==")">
<label>{{columnName.replace("_", " ").titlecase()}}</label>
<input type="text" class="form-control" value="" dmx-bind:name="columnName" dmx-bind:id="'dateMDPa'+$index" autocomplete="off" dmx-bind:required="isColumnNullable == false" dmx-bind:data-msg-required="isColumnNullable == false ? 'This field required' : ''">
</div>
<div class="form-group p-0" dmx-repeat:repeat14="dynamic_datatable_headers_update.data.api1.data.columnHeaders.where(`columnDisplayType`, "DATETIME", "==")">
<label>{{columnName.replace("_", " ").titlecase()}}</label>
<input dmx-bind:id="'dateMDPz'+$index" type="text" class="form-control datepicker" onclick="setDatePicker();" value="" dmx-bind:name="columnName" autocomplete="off" dmx-bind:required="isColumnNullable == false" dmx-bind:data-msg-required="isColumnNullable == false ? 'This field required' : ''">
</div>
<input type="hidden" value="en" name="locale" dmx-bind:value="en">
<input type="hidden" name="dateFormat" id="dateformat1" dmx-bind:value="'MMMM dd yyyy'">
<div class="form-group col">
<button class="btn btn-primary" type="submit">
<i class="fa fa-check"></i> SUBMIT
</button>
</div>
</form>
my field names are like this dmx-bind:name="columnName"
I cant use it in INPUT DATA field