mcs/class/referencesource/System.Data/System/Data/Common/SchemaTableColumn.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="SchemaTableColumn.cs" company="Microsoft">
   3 //      Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace System.Data.Common {
   9
  10     // required columns that DataAdapter.Fill(Schema) will pay attention to
  11     // when constructing new DataColumns to add to a DataTable
  12     public static class SchemaTableColumn {
  13
  14         public static readonly string ColumnName               = "ColumnName";
  15         public static readonly string ColumnOrdinal            = "ColumnOrdinal";
  16         public static readonly string ColumnSize               = "ColumnSize";
  17         public static readonly string NumericPrecision         = "NumericPrecision";
  18         public static readonly string NumericScale             = "NumericScale";
  19
  20         public static readonly string DataType                 = "DataType";
  21         public static readonly string ProviderType             = "ProviderType";
  22         public static readonly string NonVersionedProviderType = "NonVersionedProviderType";
  23
  24         public static readonly string IsLong                   = "IsLong";
  25         public static readonly string AllowDBNull              = "AllowDBNull";
  26         public static readonly string IsAliased                = "IsAliased";
  27         public static readonly string IsExpression             = "IsExpression";
  28         public static readonly string IsKey                    = "IsKey";
  29         public static readonly string IsUnique                 = "IsUnique";
  30
  31         public static readonly string BaseSchemaName           = "BaseSchemaName";
  32         public static readonly string BaseTableName            = "BaseTableName";
  33         public static readonly string BaseColumnName           = "BaseColumnName";
  34     }
  35 }
  36