This method returns the string value of the specified column.

Declaration

// C#
public override string GetString(int index);

Parameters

• index

  The zero-based column index.

Return Value

The string value of the column.

Implements

IDataRecord

Exceptions

InvalidOperationException - The connection is closed, the reader is closed, Read() has not been called, or all rows have been read.

IndexOutOfRangeException - The column index is invalid.

InvalidCastException - The accessor method is invalid for this column type or the column value is NULL.

Remarks

Call the IsDBNull method to check for null values before calling this method.

If the column is an Oracle REF column, the string returned is a hexadecimal string that represents the REF in the database.