Validation tool installation and inspection for DTD constraints (IEXMLTLS tools)

By opening the DTD constraint document we wrote, we can see that the error is not detected when we open the XML in a prescribed format. At this point we can use the software to help us verify.

IEXMLTLS is a small plug-in that is installed under Internet Explorer to verify that XML constraints are correct. The installation steps are given below:

1. Click Install file, right-run as Administrator

2. Press the prompt to click Continue

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3. Is the installation directory, the general default, click Next

4. Locate the installation directory

5. Right-click on the Msxmlval.inf file to install

6 after the installation is successful, open IE to see the prompt to install successfully

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Second, see How to check the correctness of DTD constraints

1. Write a correct DTD constraint file, which is an out-of-file DTD, with a specific DTD file on the

2. Remove a Label

3. Open IE test, right click Validate XML

4. Prompt appears

5. If the document appears correctly, the result is

Validation tool installation and inspection for DTD constraints (IEXMLTLS tools)