How will you customize columns in Data Grid?

You can customize columns ina DataGrid using the Template column.

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How can we format data inside Data Grid?

We can do that by Using the DataFormatString property.

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Can a trigger be fired from a stored procedure?

Yes.

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Can a DataReader persist data ?

No.

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Which is faster among DataSet and DataReader ? Why ?

DataReader is faster as it has only one record at a time, and Dataset is slower as it fetches the entire table or set of tables.

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What's use of "DataView" ?

It is used for sorting and finding data with in DataTable. .

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What is the name of the method which reverts changes made to the DataSet?

The Method which is called to save the changes in a DataSet is,
RejectChanges().

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