role.aspx.cs

1、该系统只是测试一下本人设计的类库是否正确。 2、只包含一些简单的查询(主键

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 xx8910
{
	/// <summary>
	/// Role 的摘要说明。
	/// </summary>
	public class Role : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtQueryWithKey;
		protected System.Web.UI.WebControls.Button btnQueryWithKey;
		protected System.Web.UI.WebControls.TextBox txtQueryWithCond;
		protected System.Web.UI.WebControls.Button btnQueryWithCond;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Panel Panel1;
		protected System.Web.UI.WebControls.Label lRoleID;
		protected System.Web.UI.WebControls.Label lRoleName;
		protected System.Web.UI.WebControls.Label lRemark;
		protected System.Web.UI.WebControls.Panel Panel2;
		protected System.Web.UI.WebControls.TextBox txtInsertRoleID;
		protected System.Web.UI.WebControls.TextBox txtInsertRoleName;
		protected System.Web.UI.WebControls.TextBox txtInsertRemark;
		protected System.Web.UI.WebControls.Button btnInsertGiveUp;
		protected System.Web.UI.WebControls.Button btnInsertOk;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Panel Panel3;
		protected System.Web.UI.WebControls.TextBox txeEditRemark;
		protected System.Web.UI.WebControls.TextBox txeEditRoleName;
		protected System.Web.UI.WebControls.TextBox txtEditRoleID;
		protected System.Web.UI.WebControls.Button btnEditOk;
		protected System.Web.UI.WebControls.Button btnEditGiveUp;
		protected System.Web.UI.WebControls.Button btnQueryAll;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!this.IsPostBack)
			{
				this.Bind();
			}
			this.DataGrid1.Visible=true;
			this.Panel1.Visible=false;
			this.Panel2.Visible=false;
			this.Panel3.Visible=false;
		}

		#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.btnQueryAll.Click += new System.EventHandler(this.btnQueryAll_Click);
			this.btnQueryWithCond.Click += new System.EventHandler(this.btnQueryWithCond_Click);
			this.btnQueryWithKey.Click += new System.EventHandler(this.btnQueryWithKey_Click);
			this.DataGrid1.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand);
			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
			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.btnInsertOk.Click += new System.EventHandler(this.btnInsertOk_Click);
			this.btnEditOk.Click += new System.EventHandler(this.txtEditOk_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		void Bind()
		{
			BusinessRules.Role myRole=new BusinessRules.Role();
			this.DataGrid1.DataSource=myRole.Query();
			this.DataGrid1.DataBind();
		}

		private void btnQueryAll_Click(object sender, System.EventArgs e)//查询所有
		{
			this.DataGrid1.Visible=true;
			this.Panel1.Visible=false;
			this.Panel2.Visible=false;
			this.Panel3.Visible=false;

			this.Bind();
		}

		private void btnQueryWithCond_Click(object sender, System.EventArgs e)//条件查询
		{
			this.DataGrid1.Visible=true;
			this.Panel1.Visible=false;
			this.Panel2.Visible=false;
			this.Panel3.Visible=false;

			BusinessRules.Role myRole=new BusinessRules.Role();
			this.DataGrid1.DataSource=myRole.Query(this.txtQueryWithCond.Text);
			this.DataGrid1.DataBind();
		}

		private void btnQueryWithKey_Click(object sender, System.EventArgs e)//主键查询
		{
			BusinessRules.Role myRole=new BusinessRules.Role();
			myRole.QueryWithKey(this.txtQueryWithKey.Text);
			this.lRoleID.Text=myRole.RoleID;
			this.lRoleName.Text=myRole.RoleName;
			this.lRemark.Text=myRole.Remark;

			this.DataGrid1.Visible=false;
			this.Panel1.Visible=true;
			this.Panel2.Visible=false;
			this.Panel3.Visible=false;
		}

		private void DataGrid1_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)//添加命令
		{
			if(e.CommandName=="Insert")
			{
				this.DataGrid1.Visible=false;
				this.Panel1.Visible=false;
				this.Panel2.Visible=true;
				this.Panel3.Visible=false;
			}
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)//删除命令
		{
			string str;
			string key=this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
			BusinessRules.Role myRole=new BusinessRules.Role();
			str=myRole.IsDelete(key);
			if(str==null)
			{
				myRole.Delete(key);
				Response.Write("<script language='javascript'>alert('删除成功!');</script>");
				this.Bind();
			}
			else
			{
				Response.Redirect("Error.aspx?"+"ErrorMsg="+str);
			}
		}

		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)//编辑命令
		{
			this.DataGrid1.Visible=false;
			this.Panel1.Visible=false;
			this.Panel2.Visible=false;
			this.Panel3.Visible=true;

			string key=this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
			this.txtEditRoleID.Text=key;//取,显示 主键

			BusinessRules.Role myRole=new BusinessRules.Role();//显示RoleName,Remark
			myRole.QueryWithKey(key);
			this.txeEditRoleName.Text=myRole.RoleName;
			this.txeEditRemark.Text=myRole.Remark;	
		}

		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)//绑定激活
		{
			if((e.Item.ItemType == ListItemType.Item || (e.Item.ItemType == ListItemType.AlternatingItem) ))
			{
				LinkButton IsDelete=(LinkButton)e.Item.Cells[e.Item.Cells.Count-1].FindControl("lbtnDelete");
				IsDelete.Attributes.Add("onclick","return confirm('确定删除吗?')");
			}
		}

		private void btnInsertOk_Click(object sender, System.EventArgs e)//确定添加
		{
			BusinessRules.Role myRole=new BusinessRules.Role();
			myRole.RoleID=this.txtInsertRoleID.Text;
			myRole.RoleName=this.txtInsertRoleName.Text;
			myRole.Remark=this.txtInsertRemark.Text;
			if(myRole.Insert()>0)
			{
				Response.Write("<script language='javascript'>alert('添加成功!');</script>");
			}
			this.Bind();
		}

		private void txtEditOk_Click(object sender, System.EventArgs e)//确定编辑
		{
			BusinessRules.Role myRole=new BusinessRules.Role();
			myRole.RoleID=this.txtEditRoleID.Text;
			myRole.RoleName=this.txeEditRoleName.Text;
			myRole.Remark=this.txeEditRemark.Text;
			if(myRole.UpdateWithKey(this.txtEditRoleID.Text)>0)
			{
				Response.Write("<script language='javascript'>alert('修改成功!');</script>");
			}
			this.Bind();
		}
	}
}