addclass.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.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 kqxt
{
	/// <summary>
	/// AddClass 的摘要说明。
	/// </summary>
	public class AddClass : 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.Panel Panel2;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox ClassID;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button Button4;
		protected System.Web.UI.WebControls.Panel Panel3;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Button btnadd;
		protected System.Web.UI.WebControls.Button ADDbtn;
		protected System.Web.UI.WebControls.LinkButton LinkButton5;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.HyperLink HyperLink2;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.LinkButton LinkButton4;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			DataSet myds=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";
					SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
					mydata.Fill(myds,"class");
					DropDownList1.DataSource=myds.Tables["class"].DefaultView;
					DropDownList1.DataTextField=myds.Tables["class"].Columns[0].ColumnName;
					DropDownList1.DataValueField=myds.Tables["class"].Columns[0].ColumnName;
					DropDownList1.DataBind();
			
			
			
			}
				// 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.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.LinkButton5.Click += new System.EventHandler(this.LinkButton5_Click);
			this.btnadd.Click += new System.EventHandler(this.btnadd_Click);
			this.Button4.Click += new System.EventHandler(this.Button4_Click);
			this.ADDbtn.Click += new System.EventHandler(this.ADDbtn_Click);
			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.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
			this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
			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.selectAll();
			this.DataGrid1.DataKeyField="classID";
			this.DataGrid1.DataBind();

		}

		private void btnadd_Click(object sender, System.EventArgs e)
		{
			string n=this.DropDownList1.SelectedItem.ToString();
			if(this.IsValid)
			{
				person p=new person();
				p.classID=this.ClassID.Text;
				p.thID=n;
				
				if(Operate.Addclass(p))
				{
					this.ClassID.Text="";
					
					this.Panel2.Visible=false;
					this.fillDg();
				}
				else
				{
					Response.Write("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 class 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 class 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 LinkButton1_Click(object sender, System.EventArgs e)
		{
		
		}
	}
}