Admin/UpDataNews.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;
public partial class admin_UpDataNews : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
 if (!IsPostBack)
            {
                if (Session["adminName"] == null)
                {
                    js.AlertAndRedirect("对不起你还没有登录！", "AdminLogin.aspx");


                }
                GetAllNewsCount();//获得要修改或删除的新闻
            
            }
        }

        protected void btnaddNews_Click(object sender, EventArgs e)
        {
            string Newid = Request.QueryString["id"].ToString();
            try
            {
                SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);

                con.Open();
                SqlCommand cmd = new SqlCommand("update   NewsContent set NewTittle=@NewTittle,NewContent=@NewContent,AddTime=@AddTime,Imp=@Imp where Id='"+Newid+"'", con);
               
                cmd.Parameters.Add("@NewTittle", SqlDbType.VarChar);
                cmd.Parameters.Add("@NewContent", SqlDbType.Text);
                cmd.Parameters.Add("@AddTime", SqlDbType.DateTime);
             
            
                cmd.Parameters.Add("@Imp", SqlDbType.VarChar);

            
                cmd.Parameters["@NewTittle"].Value = txtNewsTittle.Text.Trim();
                cmd.Parameters["@AddTime"].Value = DateTime.Now;
                cmd.Parameters["@NewContent"].Value = FreeTextBox1.Text;
              
                cmd.Parameters["@Imp"].Value = "1";
   
                cmd.ExecuteNonQuery();
                con.Close();
                Response.Write("<script language='javascript'>alert('更新成功！')</script>");
              
                txtNewsTittle.Text = "";
                FreeTextBox1.Text = "";
                
            }