班评页面.aspx.cs

本系统以ASP.NET为开发平台

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 学生综合素质测评系统
{
	/// <summary>
	/// 班评页面 的摘要说明。
	/// </summary>
	public class 班评页面 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.HyperLink HyperLink4;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	


		ICollection CreateTable()
		{
			string SQL="select  班表.细表表号,班表.学号,细表.评价内容,细表.评价标准和办法,班表.自评,班表.班评 from 班表  join 细表 on 班表.细表表号=细表.细表表号 ";
			DataSet ds=new DataSet();
			SqlConnection myc =new SqlConnection("server=.;database=学生综合素质测评系统;user=sa;password=");
			SqlDataAdapter adapter=new SqlDataAdapter(SQL,myc);
			adapter.Fill(ds,"班表");
			return ds.Tables["班表"].DefaultView;
		}

		public void bindgrid()
		{
			DataView dv=(DataView)CreateTable();
			
			DataGrid1.DataSource=dv;
			DataGrid1.DataBind();
		}
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面	
			SqlConnection myc =new SqlConnection("server=.;database=学生综合素质测评系统;user=sa;password=");
			myc.Open();
			if (!Page.IsPostBack)
			{
				bindgrid();
			}
		}

		#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.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
			this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			DataGrid1.CurrentPageIndex=e.NewPageIndex;
			bindgrid();
		}

		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			DataGrid1.EditItemIndex=(int)e.Item.ItemIndex;
			bindgrid();
		}

		private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			DataGrid1.EditItemIndex=-1;
			bindgrid();
		}

		private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string xuehao=e.Item.Cells[0].Text;
			//string neirong=e.Item.Cells[2].Text;
			//string chengji=e.Item.Cells[4].Text;
			string xibiaobiaohao=e.Item.Cells[1].Text;
			string banping = ((TextBox)e.Item.Cells[5].Controls[0]).Text;

			string SQL="update 班表 set  班评="+banping+" where 学号='"+xuehao+"'and 细表表号='"+xibiaobiaohao+"' ";
			SqlConnection myc =new SqlConnection("server=.;database=学生综合素质测评系统;user=sa;password=");
			SqlCommand cmd = new SqlCommand(SQL,myc);
			cmd.Connection.Open();
			cmd.ExecuteNonQuery();
			cmd.Connection.Close();
			DataGrid1.EditItemIndex=-1;
			bindgrid();
			

		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			SqlConnection myc =new SqlConnection("server=.;database=学生综合素质测评系统;user=sa;password=");
			SqlCommand cmd = new SqlCommand("INSERT INTO 班评总分表(学号,班评总分) SELECT 学号,SUM(班评) FROM 班表 GROUP BY 学号 " ,myc);
		
			cmd.Connection.Open();
			cmd.ExecuteNonQuery();
			cmd.Connection.Close();
		}

		
	}
}