newsitemmanager.cs

一个简单的新闻后台管理系统

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
/// <summary>
/// UserInfo 的摘要说明


/// </summary>
public class NewsItemManager
{
    public NewsItemManager()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
	}
    // 查找新闻栏目
    public static DataSet FindNewsItem()
    {
        SqlConnection con = DataAccess.CreateConnection();
        string findNewsItem = "Select * from t_Item";
        SqlDataAdapter sda = new SqlDataAdapter(findNewsItem, con);
        DataSet ds = new DataSet();
        sda.Fill(ds, "findNewsItem");
        return ds;
    }
    public static int AddNewsItem(string itemName, string itemDesc, int itemOrder)
    {       

        //定义effectRows记录添加所影响的行数如果是1的话则代表添加成功，为0则代表未成功
        int effectRows = 0;
  
        //建立连接
        SqlConnection con = DataAccess.CreateConnection();

        SqlCommand com = new SqlCommand();
        com.Connection = con;
        com.CommandText = "Insert into t_Item(ItemName,ItemDesc,ItemOrder) values(@ItemName,@ItemDesc,@ItemOrder)";
        //添加参数Sql命令参数 ItemName ItemDesc ItemOrder;
        com.Parameters.Add("@ItemName", SqlDbType.VarChar, 50).Value = itemName;
        com.Parameters.Add("@ItemDesc", SqlDbType.VarChar, 200).Value = itemDesc;
        com.Parameters.Add("@ItemOrder", SqlDbType.Int).Value = itemOrder;

        try
        {
            //打开连接
            com.Connection.Open();
            //执行命令并且将结果返回到effectRows的整型变量中
            effectRows = com.ExecuteNonQuery();               
        }
        catch (Exception)
        {
            //捕获错误

        }
        finally
        {
            //释放资源
            if (con.State == ConnectionState.Open)
            {
                con.Close();
            }
            con.Dispose();
            com.Dispose();
        }
        //返回所影响的行数


        return effectRows;
   
    }
    
}