hi
i am develop some service app i am display 3 columns cart image ,second one is lable ,third one quantity (edittext). click on cart button to validations occurs quantity is enter number? null this situation display error dialog how can implemented validation and error dialog
this.str = this.str+'<td><div id="imageclick"><img src="images/cartimage.png" onclick=""/></div></td>';//cart image
this.str = this.str+' <td>'+itemslist[i]+'</td>';//item lable
this.str = this.str+'<td><input type="text" size="5"></td>';//quantity