App_Code/ProjectMgr.cs

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using System;
using System.Data;
using System.Data.SqlClient;


/// <summary>
/// Project管理类
/// </summary>
public class ProjectMgr
{
	/// <summary>
	/// 初始化管理类
	/// </summary>
	public ProjectMgr()
	{
	}

	#region　函数UpdateProject | 更新Project信息
	/// <summary>
	/// 更新Project类信息
	/// </summary>
	/// <param name="project">实验项目类参数</param>
	/// <returns>更新成功返回true 否则返回false</returns>
	public bool UpdateProject(Project project)
	{
		string strSQL = "";
		SqlDataAdapter sa = null;
		SqlCommandBuilder builder = null;
		DataRow row = null;
		DataTable dt = null;
		bool returnValue = false;
		if (project != null)
		{
			if (project.ProjectID == 0)
			{
				strSQL = "SELECT Top 0 * FROM Project";
			}
			else
			{
				strSQL = "SELECT * FROM Project WHERE ProjectID = '" + project.ProjectID + "'";
			}

			dt = CMMgr.GetDataTable(strSQL);

			 if (dt.Rows.Count > 0)
			{
				row = dt.Rows[0];
			}
			else
			{
				row = dt.NewRow();
			}
			row["ProjectNumber"] = project.ProjectNumber;
			row["ProjectName"] = project.ProjectName;
			if (project.ProjectDate == DateTime.MaxValue)
			{
				row["ProjectDate"] = System.DBNull.Value;
			}
			else
			{