DbDataReader.GetChars(Int32, Int64, Char[], Int32, Int32) Method
Definition
Important
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When overridden in a derived class, reads a specified number of characters from a specified column starting at a specified index, and writes them to a buffer starting at a specified position.
public:
abstract long GetChars(int ordinal, long dataOffset, cli::array <char> ^ buffer, int bufferOffset, int length);public abstract long GetChars (int ordinal, long dataOffset, char[] buffer, int bufferOffset, int length);public abstract long GetChars (int ordinal, long dataOffset, char[]? buffer, int bufferOffset, int length);abstract member GetChars : int * int64 * char[] * int * int -> int64Public MustOverride Function GetChars (ordinal As Integer, dataOffset As Long, buffer As Char(), bufferOffset As Integer, length As Integer) As LongParameters
- ordinal
- Int32
The zero-based column ordinal.
- dataOffset
- Int64
The index within the row from which to begin the read operation.
- buffer
- Char[]
The buffer into which to copy the data.
- bufferOffset
- Int32
The index with the buffer to which the data will be copied.
- length
- Int32
The maximum number of characters to read.
Returns
The actual number of characters read.
Implements
Applies to
See also
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