OATest/App_Code/SystemTools.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

/// <summary>
/// SystemTools 的摘要说明
/// </summary>
public class SystemTools
{
	//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)

	public SystemTools()
	{
		///
	}

	/// <summary>
	/// 将DataReader转为DataTable
	/// </summary>
	/// <param name="DataReader">DataReader</param>
	public static DataTable ConvertDataReaderToDataTable(SqlDataReader dataReader)
	{
		///定义DataTable
		DataTable datatable = new DataTable();

		try
		{	///动态添加表的数据列
			for(int i = 0; i < dataReader.FieldCount; i++)
			{
				DataColumn myDataColumn = new DataColumn();
				myDataColumn.DataType = dataReader.GetFieldType(i);
				myDataColumn.ColumnName = dataReader.GetName(i);
				datatable.Columns.Add(myDataColumn);
			}

			///添加表的数据
			while(dataReader.Read())
			{
				DataRow myDataRow = datatable.NewRow();
				for(int i = 0; i < dataReader.FieldCount; i++)
				{
					myDataRow[i] = dataReader[i].ToString();
				}
				datatable.Rows.Add(myDataRow);
				myDataRow = null;
			}
			///关闭数据读取器
			dataReader.Close();
			return datatable;
		}
		catch(Exception ex)
		{
			///抛出类型转换错误