SalTableColumnCollection

Namespace: PPJ.Runtime.Windows

Assembly: PPJ.Web.50 (5.0.0.0)

Maintains the ordered SAL columns belonging to a table window.

C#

public class SalTableColumnCollection : IList, ICollection, IEnumerable, IList<SalTableColumn>, ICollection<SalTableColumn>, IEnumerable<SalTableColumn>

VB.NET

Public Class SalTableColumnCollection
    Inherits IList
    Implements ICollection, IEnumerable, IList(Of SalTableColumn), ICollection(Of SalTableColumn), IEnumerable(Of SalTableColumn)

Example:

SalTableColumn column = table.Columns["CustomerName"];
            if (column != null)
            {
                int index = table.Columns.IndexOf("CustomerName");
            }

Properties

Count

Int32: Gets the number of columns in this collection.

Item(index)

SalTableColumn: Gets a column at its collection index.

Replacing a column through this indexer throws NotSupportedException.

Item(name)

SalTableColumn: Gets a column by the name matched by IndexOf.

Returns null when no matching column exists.

TableWindow

SalTableWindowBase: Gets the table that owns this column collection.

Methods

Clear()

Disposes every column, deletes the table columns, and empties this collection.

Contains(column)

Checks whether a column instance is in the collection.

Parameter	Type	Description
column	SalTableColumn	The column to find.

Returns: Boolean. True when present; otherwise, false.

Contains(name)

Checks whether a column has the specified control name.

Parameter	Type	Description
name	String	The case-sensitive name to find.

Returns: Boolean. True when a matching name is present; otherwise, false.

CopyTo(array, index)

Copies the columns into an existing array.

Parameter	Type	Description
array	Array	The destination array.
index	Int32	The zero-based destination offset.

GetEnumerator()

Enumerates columns in collection order.

Returns: IEnumerator. A non-generic enumerator over the backing column array.

IndexOf(column)

Finds the collection position of a column instance.

Parameter	Type	Description
column	SalTableColumn	The column to find.

Returns: Int32. The zero-based index, or -1 when absent.

IndexOf(name)

Finds the first column with an exact control name.

Parameter	Type	Description
name	String	The case-sensitive name to find.

Returns: Int32. The zero-based index, or -1 when absent.