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SqlMetaData.MaxLength Property

Gets the maximum length of the column or parameter.

Namespace:  Microsoft.SqlServer.Server
Assembly:  System.Data (in System.Data.dll)

public long MaxLength { get; }

Property Value

Type: System.Int64
The maximum length of the column or parameter as a Int64.

The potential maximum length for values of the specified column. Returns 0 for types other than fixed and varying length character and binary types. For variable size columns or parameters declared with the Max constructor parameter, it returns -1.

For DbType.Row this returns the number of columns in the row metadata instance.

The default value is 0.

.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
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