sapui5 - Button needs two clicks for action -


i have sapui5 table show data sap odata service. in every row have textfield change amount of products. next field save button save changes using 2-way-binding. problem is, needs 2 clicks , triggers update method within sap correct triggers create method (and don't know why). have ideas?

		onpresssave: function(evt) {   			var = this;  			var oapp = that.byid("myapp");  			var omodel = that.getview().getmodel("mymodel");  			var path = evt.getsource().getparent().getbindingcontextpath();  			console.log(path);  			  			omodel.submitchanges(  				function(){   					messagetoast.show(that._getmessage("it works!"), { duration:10000});  				}, function(err) {   					messagetoast.show(that._getmessage("error"), { duration:10000});  				} );  		},

<table id="id" inset="false" items="{path: 'mymodel>/entryset'}">         <headertoolbar>             </headertoolbar>             <columns>                 <column><text text="{i18n>product}" /></column>                 <column width="60px" halign="right"><text text="{i18n>amount}" /></column>                 <column width="70px" halign="right"><text text="{i18n>pps}" /></column>                 <column width="33px" />                 <column width="33px" />             </columns>             <items>                 <columnlistitem>                     <cells>                         <objectidentifier title="{mymodel>materialname}" />                         <input id="cartamount" value="{mymodel>amount}" />                         <objectnumber class="sapuismallmarginbottom" number="{parts:[{path: 'mymodel>matprice'},{path: 'mymodel>matcurrency'}], type: 'sap.ui.model.type.currency', formatoptions: {showmeasure: true}}" />                         <button icon="sap-icon://save" press="onpresssave" />                         <button icon="sap-icon://delete" press="onpressdel" />                     </cells>                 </columnlistitem>             </items>         </table>

thank in advance!


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