IsNullable Property

Overview

Gets or sets a flag indicating whether the column can contain null values. This is used by validation and can influence UI (required fields). The default value is true, meaning columns are nullable by default unless specified otherwise.

Namespace and Assembly

Namespace: PocoDataSet.Data
Assembly: PocoDataSet.Data.dll

Declaration

/// <summary>
/// Gets or sets flag indicating whether column is nullable
/// IColumnMetadata interface implementation
/// </summary>
public bool IsNullable
{
    get; set;
} = true;

Usage Example

// 1. Create lastName column metadata
IColumnMetadata lastName = new ColumnMetadata();

// 2. Set IsNullable to false to indicate that this column cannot contain null values (i.e. last name is required)
lastName.IsNullable = false;

 

Table of Content POCO DataSet API References POCO DataSet Types ColumnMetadata Members

 

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Business Process Programming in .Net
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