DataRowState Property

Overview

The DataRowState property allows you to get the state of a row. The DataRowState property cannot be set directly by application code. State transitions are managed internally by the POCO DataSet framework based on row operations (Add, Modify, Delete, AcceptChanges, RejectChanges).

DataRowState Values

The DataRowState property reflects the lifecycle state of a row within a IDataTable. The following values are supported:

• Detached – The row exists but is not part of a table.
• Added – The row was created locally and has not been accepted.
• Unchanged – The row matches its original baseline values.
• Modified – One or more column values differ from the original baseline.
• Deleted – The row is marked for deletion but still exists in the table. Physical removal of the row occurs only when deletion is accepted at the table level.

Namespace and Assembly

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

Usage Example

// 1. Create an empty data set
IDataSet dataSet = DataSetFactory.CreateDataSet();

// 2. Create an empty data table
IDataTable departmentDataTable = dataSet.AddNewTable("Department");
departmentDataTable.AddColumn("Id", DataTypeNames.INT32);
departmentDataTable.AddColumn("Name", DataTypeNames.STRING);

// 3. Create a new row by AddNewRow method on data table, the row state is Added
IDataRow departmentDataRow = departmentDataTable.AddNewRow();

// 4. Get the state of the row by using DataRowState property, expected Added
DataRowState dataRowState = departmentDataRow.DataRowState;

 

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

 

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Business Process Programming in .Net
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