Combobox validating

If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.One of these days I had to create a a dynamic form and validate some of its fields which could be Text Input, Text Area, Check Box or Combo Box and I thought of using Validators do accomplish this but although for Text Input and Text Area you can easily just use the String Validator for Check Box and Combo Box is not so easy to choose which one to use. Please refer to the Dev Website Terms of Use for more information. Developer Express Inc disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose.The following function checks whether the texbox with id name1 is empty, if empty it displays a message and highlights that textbox with red color.We use return false; because when this function is called when the form is submitted and if this textbox is found empty the page shouldn’t be submitted so returning the boolean value false with prevent the form from being submitted.The tutorial describes Javascript validation of textboxes, comboboxes, radio buttons and checkboxes.

Find the "validators" section and add a "validate required" entry and enter your message.This actually works better then using a Number Validator and converting the Boolean false to 0 and true to 1 because it will still display as invalid sometimes because of wrong data type.For validating the Combo Box I used a Number Validator and set the min Value to 0 which is the first option in the Combo Box list (none selected is -1) and used the selected Index as the property to check for. Selected Index = 0; When I click the button the ASPx Textbox validation fires but NOT the combo Box??? Despite the fact that I had to change my asp controls to devexpress controls, I just had to change ddl Contact Title. Empty, "0")); to an empty string ddl Contact Title.

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