addclasscourse.aspx.cs

学生考勤管理系统学生考勤管理系统学生考勤管理系统学生考勤管理系统学生考勤管理系统

using System;
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 kqxt
{
	/// <summary>
	/// Addclasscourse 的摘要说明。
	/// </summary>
	public class Addclasscourse : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.LinkButton LinkButton2;
		protected System.Web.UI.WebControls.LinkButton LinkButton3;
		protected System.Web.UI.WebControls.LinkButton LinkButton4;
		protected System.Web.UI.WebControls.LinkButton LinkButton5;
		protected System.Web.UI.WebControls.Button ADDbtn;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Panel Panel3;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button btnadd;
		protected System.Web.UI.WebControls.Button Button4;
		protected System.Web.UI.WebControls.Panel Panel2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.DropDownList dr2;
		protected System.Web.UI.WebControls.DropDownList dr1;
		protected System.Web.UI.WebControls.TextBox ClassID;
		protected System.Web.UI.WebControls.Label lbl;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			DataSet myds=new DataSet();
			DataSet myds1=new DataSet();

			if(!this.IsPostBack)
			{
				this.Panel2.Visible=false;
				this.fillDg();
				string conn=System.Configuration.ConfigurationSettings.AppSettings["connstr"];
				SqlConnection objconn=new SqlConnection(conn);
				string sqlstr="select thID from teacher";
				string sqlstr1="select courseID from course";
				SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
				SqlDataAdapter mydata1=new SqlDataAdapter(sqlstr1,objconn);
				mydata.Fill(myds,"class");
				mydata1.Fill(myds1,"class1");
				this.dr1.DataSource=myds.Tables["class"].DefaultView;
				this.dr1.DataTextField=myds.Tables["class"].Columns[0].ColumnName;
				this.dr1.DataValueField=myds.Tables["class"].Columns[0].ColumnName;
				this.dr1.DataBind();
				this.dr2.DataSource=myds1.Tables["class1"].DefaultView;
				this.dr2.DataTextField=myds1.Tables["class1"].Columns[0].ColumnName;
				this.dr2.DataValueField=myds1.Tables["class1"].Columns[0].ColumnName;
				this.dr2.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.ADDbtn.Click += new System.EventHandler(this.ADDbtn_Click);
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged_1);
			this.btnadd.Click += new System.EventHandler(this.btnadd_Click);
			this.Button4.Click += new System.EventHandler(this.Button4_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ADDbtn_Click(object sender, System.EventArgs e)
		{
			this.Panel2.Visible=true;
		}
		private void fillDg()
		{
			this.DataGrid1.DataSource=Operate.selectAll1();
			this.DataGrid1.DataKeyField="classID";
			this.DataGrid1.DataBind();

		}

		private void btnadd_Click(object sender, System.EventArgs e)
		{
			string a=this.dr1.SelectedItem.ToString();
			string b=this.dr2.SelectedItem.ToString();
			if(this.IsValid)
			{
				person p=new person();
				p.classID=this.ClassID.Text;
				p.courseID=b;
				p.thID=a;

				
				if(Operate.Addclasscourse(p))
				{
					this.ClassID.Text="";
					this.Panel2.Visible=false;
					this.fillDg();
				}
				else
				{
					this.lbl.Text="添加失败!";
				}
			}
		}

		private void Button4_Click(object sender, System.EventArgs e)
		{
			if(this.IsValid)
			{
				this.ClassID.Text="";
			
			}
		}
		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.DataGrid1.CurrentPageIndex=e.NewPageIndex;
			this.fillDg();
		}

		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)
			{
				e.Item.Attributes.Add("onmouseover","c=this.style.backgroundColor;this.style.backgroundColor='#660099'");
				e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=c");
				((LinkButton)(e.Item.Cells[3].Controls[0])).Attributes.Add("onclick","return confirm('你确认删除吗?');");
			}
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string cid=this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
			SqlConnection con=DB.createcon();
			SqlCommand cmd=new SqlCommand("delete from classCourse where classID='"+cid+"'",con);
			con.Open();
			cmd.ExecuteNonQuery();
			this.fillDg();
			con.Close();
		}

		private void LinkButton5_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Addcourse.aspx");
		}

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

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

		private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string updateStr="";
			updateStr+="classID='"+((TextBox)e.Item.Cells[0].Controls[0]).Text+"'";
			updateStr+=",thID='"+((TextBox)e.Item.Cells[1].Controls[0]).Text+"'";
			string updatas="update classCourse set "+updateStr+"where classID='"+DataGrid1.DataKeys[e.Item.ItemIndex]+"'";
			SqlConnection con=DB.createcon();
			SqlCommand cmd=new SqlCommand(updatas,con);
			con.Open();
			cmd.ExecuteNonQuery();
			this.DataGrid1.EditItemIndex=-1;
			this.fillDg();
			con.Close();
		}

		private void DataGrid1_PageIndexChanged_1(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.DataGrid1.CurrentPageIndex=e.NewPageIndex;
			this.fillDg();
		}
	}
}