Answer / Ankit Sharma

To implement locking on a DataSet, you can use the `WriteXml()` or `ReadXml()` methods along with the `XmllTextWriter` and `XmllTextReader` classes. These methods provide options to set the `XmlWriteMode` parameter to `XmlWriteMode.WriteSchema`, which will write an XSD schema file that defines the DataSet's structure. This can help ensure data integrity when multiple users are working on the same dataset.

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