AdminManage/EditAdmin.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 AdminManage_EditAdmin : System.Web.UI.Page
{
    SqlConnection sqlconn = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
    SqlOperate sqloperate = new SqlOperate();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            txtAID.Text = Request["AdminID"].ToString();
            string sqlstr = "select * from tb_Admin where AdminID='"+Request["AdminID"].ToString()+"'";
            sqlconn.Open();
            SqlDataAdapter myda = new SqlDataAdapter(sqlstr,sqlconn);
            DataSet myds = new DataSet();
            myda.Fill(myds,"tb_Admin");
            DataRowView mydrv=myds.Tables["tb_Admin"].DefaultView[0];
            txtAName.Text = Convert.ToString(mydrv.Row["AdminName"]);
            txtAPwd.Text = Convert.ToString(mydrv.Row["AdminPwd"]);
            sqlconn.Close();
        }
    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        string sqltest = "select * from tb_Admin where AdminName='" + txtAName.Text + "'";
        sqlconn.Open();
        SqlCommand sqlcom = new SqlCommand(sqltest, sqlconn);
        SqlDataReader read = sqlcom.ExecuteReader();
        read.Read();
        if (read.HasRows)
        {
            if (this.txtAName.Text.Trim() == read["AdminName"].ToString().Trim())
            {
                Response.Write("<script language='javascript'>alert('该管理员已经存在');localtion='EditAdmin.aspx'</script>");
                return;
            }
        }
        else
        {
            string sqlstr = "insert into tb_Admin(AdminName,AdminPwd)"
                + " values('" + txtAName.Text.Trim() + "','" + txtAPwd.Text.Trim() + "')";
            sqloperate.DataCom(sqlstr);
            Response.Write("<script>alert('添加成功');location='AdminManage.aspx';</script>");
        }
    }
    protected void btnEdit_Click(object sender, EventArgs e)
    {
        string sqlstr = "update tb_Admin set AdminName='"+txtAName.Text.Trim()
            +"',AdminPwd='"+txtAPwd.Text.Trim()+"' where AdminID='"+Request["AdminID"].ToString()+"'";
        sqloperate.DataCom(sqlstr);