title: Regarding Numeric Values with Comma and Decimal in textbox in pdf generated by EVOPDF
body: <p>I am using EVOPDF to generate pdf using code of cshtml in an mvc application.
  I have a 4 textboxes for amount onto my cshtml file and 1 more text box is for TotalAmount. 
  Total amount's value will be sum of the all 4 textboxes' value. I have achieved this using below c# code </p>
  
  <pre><code>pdfDocument.Form.Fields["qyt1"].Action = new PdfActionJavaScript(JaveScriptfunctionForCurrentYear()) 
  
  private string JaveScriptfunctionForCurrentYear()  //C# method, returning js code as string to calcuate Total amount
  {
  return " this.getField('totqyt').value = (parseInt((this.getField('qyt1').value=='')?0:this.getField('qyt1').value) + parseInt((this.getField('qyt2').value=='')?0:this.getField('qyt2').value) + parseInt((this.getField('qyt3').value=='')?0:this.getField('qyt3').value)+ parseInt((this.getField('qyt4').value=='')?0:this.getField('qyt4').value));";
  }
  </code></pre>
  
  <p>Calculation of Total is working fine for only numeric values. Above code is breaking when user inputs numeric values with comma.
  So, to handle this situation, i modified my method to calcuate Total amount like below. But below code, is not working for number without comma.</p>
  
  <pre><code> private string JaveScriptfunctionForCurrentYear()  //C# method, returning js code as string
      {
          return " this.getField('totqyt').value =  " +
          " + parseInt((this.getField('qyt2').value =='')?0:this.getField('qyt2').value.replace(',','')) " +
          " + parseInt((this.getField('qyt2').value =='')?0:this.getField('qyt2').value.replace(',','')) " +
          " + parseInt((this.getField('qyt3').value =='')?0:this.getField('qyt3').value.replace(',',''))" +
          " + parseInt((this.getField('qyt4').value =='')?0:this.getField('qyt4').value.replace(',',''))";
      }
  </code></pre>
  
  <p>Apart from that, user can also input decimal values, that should also be summed up into Total Amount.</p>
  
  <p>So, guide me how to calculate Total Amount if user  inputs numeric values with comma as wel decimal values. I want to prevent user from inputting any other character that might break the calculation.</p>