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Read Method

SqlChars.Read Method

Copies characters from this SqlChars instance to the passed-in buffer and returns the number of copied characters.

Namespace:  System.Data.SqlTypes
Assembly:  System.Data (in System.Data.dll)

public long Read(
	long offset,
	char[] buffer,
	int offsetInBuffer,
	int count
)

Parameters

offset
Type: System.Int64

An Int64 long value offset into the value that is contained in the SqlChars instance.

buffer
Type: System.Char[]

The character array buffer to copy into.

offsetInBuffer
Type: System.Int32

An Int32 integer offset into the buffer to start copying into.

count
Type: System.Int32

An Int32 integer value representing the number of characters to copy.

Return Value

Type: System.Int64
An Int64 long value representing the number of copied bytes.

If an attempt is made to read beyond MaxLength, an exception is thrown.

If count specifies more characters to be copied than are available from the offsetInBuffer to the end of the value, only the available characters are copied.

An exception is thrown if the destination buffer is a null reference.

An exception is thrown if the destination buffer cannot receive as many characters as requested.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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