OA系统

开发平台：
C#

NewInfo.aspx.cs：源码内容
							using System;
using System.Text;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace OA
{
	/// <summary>
	/// NewInfo 的摘要说明。
	/// </summary>
	public class NewInfo : System.Web.UI.Page
	{
		protected System.Data.SqlClient.SqlConnection MyConnection;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.TextBox Title;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;
		protected System.Web.UI.HtmlControls.HtmlInputButton Send;
		protected System.Web.UI.WebControls.TextBox Writer;
		protected FreeTextBoxControls.FreeTextBox FreeTextBox1;
		protected System.Data.DataSet ds;
		public	string PID;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			CheckUser CHU = new CheckUser();
			CHU.UserName = User.Identity.Name;
			PID = CHU.UserID.ToString();
			if(CHU.Is_FileManager() == false)
				Response.Write("<script>alert('对不起，你没有查看此页面的权限！');history.back(2)</" + "script>");
			MyConnection=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
			if(!IsPostBack)
			{
				if(MyConnection.State.ToString()=="Closed")
					MyConnection.Open();  
				ds= new DataSet();
				SqlDataAdapter MyCommand = new SqlDataAdapter("SelectInfoCategories",MyConnection);
				MyCommand.SelectCommand.CommandType = CommandType.StoredProcedure;
				MyCommand.Fill(ds,"InfoCategories");
				DropDownList1.DataSource=ds.Tables["InfoCategories"].DefaultView;
				DropDownList1.DataTextField="InfoCategoryName";
				DropDownList1.DataValueField="InfoCategoryID";
				DropDownList1.DataBind();
				MyConnection.Close();  
				// 在此处放置用户代码以初始化页面
			}		
		}
		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Send.ServerClick += new System.EventHandler(this.Send_ServerClick);
			this.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
		private void Send_ServerClick(object sender, System.EventArgs e)
		{
			SqlCommand MyCommand=new SqlCommand("InsertInfo",MyConnection);
			MyCommand.CommandType = CommandType.StoredProcedure;
			MyCommand.Parameters.Add(new SqlParameter("@Title",SqlDbType.NVarChar, 120));
			MyCommand.Parameters["@Title"].Value = Title.Text;
			int FileLength = ConvertToByte(FreeTextBox1.Text).Length;
			MyCommand.Parameters.Add(new SqlParameter("@Contents",SqlDbType.Image, FileLength));
			MyCommand.Parameters["@Contents"].Value = ConvertToByte(FreeTextBox1.Text);
			MyCommand.Parameters.Add(new SqlParameter("@PersonID",SqlDbType.Int, 4));
			MyCommand.Parameters["@PersonID"].Value = PID; 
			MyCommand.Parameters.Add(new SqlParameter("@Writer", SqlDbType.NVarChar, 50));
			MyCommand.Parameters["@Writer"].Value = Writer.Text;   
			MyCommand.Parameters.Add(new SqlParameter("@InfoCategoryID",SqlDbType.Int, 4));
			MyCommand.Parameters["@InfoCategoryID"].Value = DropDownList1.SelectedValue; 
			if(MyConnection.State.ToString()=="Closed")
				MyConnection.Open();  
			MyCommand.ExecuteNonQuery();
			MyConnection.Close(); 
			RegisterStartupScript("alert","<script>alert('信息编制成功！')</script>");
			Writer.Text="";
			Title.Text="";
            FreeTextBox1.Text="";
		}
		public static byte[] ConvertToByte(string theString) 
		{ 
			byte[] byteStream = System.Text.Encoding.Default.GetBytes(theString);
			return byteStream; 
		} 	
	}
}

						