addanswer.aspx.cs

用ASP.NET（C#）、SQL Server2000数据库开发在线考试系统源代码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

namespace ExamineSystem
{
	/// <summary>
	/// Summary description for AddAnswer.
	/// </summary>
	public class AddAnswer : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox AnswerOne;
		protected System.Web.UI.WebControls.Label QuestionTitle;
		protected System.Web.UI.WebControls.TextBox AnswerTwo;
		protected System.Web.UI.WebControls.TextBox AnswerThree;
		protected System.Web.UI.WebControls.TextBox AnswerFour;
		protected System.Web.UI.WebControls.Button AddAnswerBtn;
		protected System.Web.UI.HtmlControls.HtmlGenericControl title;
		protected System.Web.UI.WebControls.CheckBox A;
		protected System.Web.UI.WebControls.CheckBox B;
		protected System.Web.UI.WebControls.CheckBox C;
		protected System.Web.UI.WebControls.CheckBox D;
	
		private int nQuestionID = 0;
		
		private void Page_Load(object sender, System.EventArgs e)
		{
			///验证用户的权限
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}
			

			if(Request.Params["QuestionID"] != null)
			{
				nQuestionID = Int32.Parse(Request.Params["QuestionID"].ToString());
			}

			if(nQuestionID > 0)
			{
				BindQuestionData(nQuestionID);
			}
		}


		private void BindQuestionData(int nQuestionID)
		{
			QuestionDB question = new QuestionDB();
			SqlDataReader recq = question.GetSingleQuestion(nQuestionID);
			while(recq.Read())
			{
				QuestionTitle.Text = recq["Title"].ToString();
			}
			recq.Close();
		}

		private void AddAnswerToDB(int nQuestionID,String sTitle,String sBody,int nRorW)
		{
			AnswerDB answer = new AnswerDB();
			answer.AddAnswer(sTitle,sBody,nQuestionID,0,nRorW);
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.AddAnswerBtn.Click += new System.EventHandler(this.AddAnswerBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void AddAnswerBtn_Click(object sender, System.EventArgs e)
		{
			if(AnswerOne.Text.Trim().Length > 0)
			{if(A.Checked==true)
			 AddAnswerToDB(nQuestionID,"A",AnswerOne.Text,1);
				else
				 AddAnswerToDB(nQuestionID,"A",AnswerOne.Text,0);
			}
			if(AnswerTwo.Text.Trim().Length > 0)
			{if(B.Checked==true)
				AddAnswerToDB(nQuestionID,"B",AnswerTwo.Text,1);
				else
				 AddAnswerToDB(nQuestionID,"B",AnswerTwo.Text,0);
			}
			if(AnswerThree.Text.Trim().Length > 0)
			{if(C.Checked==true)
				AddAnswerToDB(nQuestionID,"C",AnswerThree.Text,1);
				else
				 AddAnswerToDB(nQuestionID,"B",AnswerTwo.Text,0);
			}
			if(AnswerFour.Text.Trim().Length > 0)
			{if(D.Checked==true)
				AddAnswerToDB(nQuestionID,"D",AnswerFour.Text,1);
				else
				 AddAnswerToDB(nQuestionID,"B",AnswerTwo.Text,0);
			}

			Response.Write("<script>alert(\"添加问题答案成功！！！\")</script>");
		}
	}
}