myparamter.aspx.cs

ASP C#代码实例 适合初学人士学习使用

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;
using System.Configuration;

namespace Example_5_4
{
	/// <summary>
	/// Summary description for MyParamter.
	/// </summary>
	public class MyParamter : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox RoleName;
		protected System.Web.UI.WebControls.Button SureBtn;
		protected System.Web.UI.WebControls.TextBox Description;
		protected System.Web.UI.WebControls.Label SuccessMessage;
		private readonly string SQLCONNECTIONSTRING = ConfigurationSettings.AppSettings["SQLCONNECTIONSTRING"].ToString();

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!Page.IsPostBack)
			{
				//
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.SureBtn.Click += new System.EventHandler(this.SureBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		private int AddRole(String sRoleName,String sRoleDescn)
		{			
			SqlConnection myConnection = new SqlConnection(SQLCONNECTIONSTRING);
			SqlCommand myCommand = new SqlCommand("Pr_AddRole",myConnection);

			///设置MyCommand执行的方式
			myCommand.CommandType = CommandType.StoredProcedure;

			///添加存储过程的参数RoleName
			SqlParameter parameterRoleName = new SqlParameter("@RoleName",SqlDbType.VarChar);
			parameterRoleName.Value = sRoleName;
			myCommand.Parameters.Add(parameterRoleName);

			///添加存储过程的参数Description
			myCommand.Parameters.Add(new SqlParameter("@Description",SqlDbType.Text));
			myCommand.Parameters[1].Value = sRoleDescn;
			
			///添加存储过程的参数Role_ID
			SqlParameter parameterRoleID = new SqlParameter("@Role_ID",SqlDbType.Int);
			parameterRoleID.Direction = ParameterDirection.ReturnValue;
			myCommand.Parameters.Add(parameterRoleID);

			///执行数据库操作
			myConnection.Open();
			myCommand.ExecuteNonQuery();
			myConnection.Close();
	
			///返回表Role的主键ID
			return(int)parameterRoleID.Value;
		}

		private void SureBtn_Click(object sender, System.EventArgs e)
		{
			if(RoleName.Text.Trim().Length > 0)
			{
				AddRole(RoleName.Text.Trim(),Description.Text.Trim());
				SuccessMessage.Visible = true;
				SuccessMessage.Text = "添加新的角色成功！";
			}
			else
			{
				SuccessMessage.Visible = true;
				SuccessMessage.Text = "添加新的角色失败！";
			}
		}
	}
}