kc.aspx.cs

成绩管理系统

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;

namespace tang
{
	/// <summary>
	/// kc 的摘要说明。
	/// </summary>
	public class kc : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
		protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		protected System.Data.SqlClient.SqlCommand sqlInsertCommand1;
		protected System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
		protected System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
		protected System.Data.SqlClient.SqlConnection sqlConnection1;
		protected System.Web.UI.WebControls.Button Button1;
		protected tang.DataSet1 dataSet11;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
				if (!IsPostBack)//页面第一次加载时； 
		 { 
			 if (Session["username"] ==null) 
			 { 

				 this.Response.Redirect("error.aspx");//重定向到登录也就是身份验证的那个页面 
			 } 
		 } 
			// 在此处放置用户代码以初始化页面
			string id=Session["id"].ToString();
			sqlDataAdapter1.SelectCommand.Parameters["@id"].Value=id;
			sqlDataAdapter1.Fill(dataSet11,"成绩");
			DataGrid1.DataBind();
		}

		#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.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.dataSet11 = new tang.DataSet1();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
			// 
			// sqlDataAdapter1
			// 
			this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;
			this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;
			this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
			this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																									  new System.Data.Common.DataTableMapping("Table", "成绩", new System.Data.Common.DataColumnMapping[] {
																																																			new System.Data.Common.DataColumnMapping("学生编号", "学生编号"),
																																																			new System.Data.Common.DataColumnMapping("课程编号", "课程编号"),
																																																			new System.Data.Common.DataColumnMapping("成绩", "成绩")})});
			this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;
			// 
			// sqlDeleteCommand1
			// 
			this.sqlDeleteCommand1.CommandText = "DELETE FROM 成绩 WHERE (学生编号 = @Original_学生编号) AND (课程编号 = @Original_课程编号) AND (成绩 " +
				"= @Original_成绩 OR @Original_成绩 IS NULL AND 成绩 IS NULL)";
			this.sqlDeleteCommand1.Connection = this.sqlConnection1;
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_学生编号", System.Data.SqlDbType.VarChar, 6, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "学生编号", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程编号", System.Data.SqlDbType.VarChar, 6, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程编号", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_成绩", System.Data.SqlDbType.VarChar, 18, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "成绩", System.Data.DataRowVersion.Original, null));
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=\"SUNLIGHT-17F324\";packet size=4096;integrated security=SSPI;data s" +
				"ource=\"SUNLIGHT-17F324\";persist security info=False;initial catalog=大型数据库";
			// 
			// sqlInsertCommand1
			// 
			this.sqlInsertCommand1.CommandText = "INSERT INTO 成绩(学生编号, 课程编号, 成绩) VALUES (@学生编号, @课程编号, @成绩); SELECT 学生编号, 课程编号, 成绩 " +
				"FROM 成绩 WHERE (学生编号 = @学生编号) AND (课程编号 = @课程编号)";
			this.sqlInsertCommand1.Connection = this.sqlConnection1;
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@学生编号", System.Data.SqlDbType.VarChar, 6, "学生编号"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程编号", System.Data.SqlDbType.VarChar, 6, "课程编号"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@成绩", System.Data.SqlDbType.VarChar, 18, "成绩"));
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = "SELECT 学生编号, 课程编号, 成绩 FROM 成绩 WHERE (课程编号 = @id)";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@id", System.Data.SqlDbType.VarChar, 6, "课程编号"));
			// 
			// sqlUpdateCommand1
			// 
			this.sqlUpdateCommand1.CommandText = "UPDATE 成绩 SET 学生编号 = @学生编号, 课程编号 = @课程编号, 成绩 = @成绩 WHERE (学生编号 = @Original_学生编号) " +
				"AND (课程编号 = @Original_课程编号) AND (成绩 = @Original_成绩 OR @Original_成绩 IS NULL AND 成" +
				"绩 IS NULL); SELECT 学生编号, 课程编号, 成绩 FROM 成绩 WHERE (学生编号 = @学生编号) AND (课程编号 = @课程编号" +
				")";
			this.sqlUpdateCommand1.Connection = this.sqlConnection1;
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@学生编号", System.Data.SqlDbType.VarChar, 6, "学生编号"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@课程编号", System.Data.SqlDbType.VarChar, 6, "课程编号"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@成绩", System.Data.SqlDbType.VarChar, 18, "成绩"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_学生编号", System.Data.SqlDbType.VarChar, 6, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "学生编号", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_课程编号", System.Data.SqlDbType.VarChar, 6, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "课程编号", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_成绩", System.Data.SqlDbType.VarChar, 18, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "成绩", System.Data.DataRowVersion.Original, null));
			// 
			// dataSet11
			// 
			this.dataSet11.DataSetName = "DataSet1";
			this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
				Response.Redirect("bjcc.aspx");
		}
	}
}