本文整理汇总了C#中System.Data.DataTableCollection.RemoveAt方法的典型用法代码示例。如果您正苦于以下问题:C# DataTableCollection.RemoveAt方法的具体用法?C# DataTableCollection.RemoveAt怎么用?C# DataTableCollection.RemoveAt使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.DataTableCollection
的用法示例。
在下文中一共展示了DataTableCollection.RemoveAt方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DataTableCollectionRemoveAt
public static void DataTableCollectionRemoveAt()
{
// Create a DataSet with two tables and then
// remove the tables from the collection using RemoveAt.
DataSet dataSet = new DataSet();
// Create Customer table.
DataTable customerTable = new DataTable("Customers");
customerTable.Columns.Add("customerId",
typeof(int)).AutoIncrement = true;
customerTable.Columns.Add("name", typeof(string));
customerTable.PrimaryKey = new DataColumn[] { customerTable.Columns["customerId"] };
// Create Orders table.
DataTable ordersTable = new DataTable("Orders");
ordersTable.Columns.Add("orderId",
typeof(int)).AutoIncrement = true;
ordersTable.Columns.Add("customerId", typeof(int));
ordersTable.Columns.Add("amount", typeof(double));
ordersTable.PrimaryKey = new DataColumn[] { ordersTable.Columns["orderId"] };
dataSet.Tables.AddRange(new DataTable[] { customerTable, ordersTable });
// Remove all tables.
// First check to see if the table can be removed,
// then remove it.
//
// You cannot use a foreach when removing items
// from a collection.
while (dataSet.Tables.Count > 0)
{
DataTable table = dataSet.Tables[0];
if (dataSet.Tables.CanRemove(table))
dataSet.Tables.RemoveAt(0);
Console.WriteLine("dataSet has {0} tables",
dataSet.Tables.Count);
}
}