SchemaTableColumn Class
.NET Framework 4.5
Describes the column metadata of the schema for a database table.
Namespace: System.Data.Common
Assembly: System.Data (in System.Data.dll)
The SchemaTableColumn type exposes the following members.
| Name | Description | |
|---|---|---|
   | AllowDBNull | Specifies whether value DBNull is allowed. |
| BaseColumnName | Specifies the name of the column in the schema table. |
| BaseSchemaName | Specifies the name of the schema in the schema table. |
| BaseTableName | Specifies the name of the table in the schema table. |
| ColumnName | Specifies the name of the column in the schema table. |
| ColumnOrdinal | Specifies the ordinal of the column. |
| ColumnSize | Specifies the size of the column. |
| DataType | Specifies the type of data in the column. |
| IsAliased | Specifies whether this column is aliased. |
| IsExpression | Specifies whether this column is an expression. |
| IsKey | Specifies whether this column is a key for the table. |
| IsLong | Specifies whether this column contains long data. |
| IsUnique | Specifies whether a unique constraint applies to this column. |
| NonVersionedProviderType | Specifies the non-versioned provider-specific data type of the column. |
| NumericPrecision | Specifies the precision of the column data, if the data is numeric. |
| NumericScale | Specifies the scale of the column data, if the data is numeric. |
| ProviderType | Specifies the provider-specific data type of the column. |
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
