AddGoods.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 AddGoods : System.Web.UI.Page
{
    SqlOperate sqloperate = new SqlOperate();
    SqlConnection sqlconn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
    protected void Page_Load(object sender, EventArgs e)
    {
        sqlconn.Open();
        if (!IsPostBack)
        {
            string sqlstr = "select * from tb_GoodsType";
            sqloperate.ddlDataBind(ddlGType, sqlstr, "GoodsTypeName", "GoodsTypeID");


            string sqlstr1 = "select * from SaiShi";
            sqloperate.ddlDataBind(DropDownList1, sqlstr1, "Name", "id");
 

        }
        sqlconn.Close();

    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        string sqltest = "select * from tb_GoodsInfo where GoodsName='" + this.txtGName.Text + "'";
        sqlconn.Open();
        SqlCommand sqlcom = new SqlCommand(sqltest, sqlconn);
        SqlDataReader read = sqlcom.ExecuteReader();
        read.Read();
        if (read.HasRows)
        {
            if (this.txtGName.Text.Trim() == read["GoodsName"].ToString().Trim())
            {
                Response.Write("<script language='javascript'>alert('该商品已经存在');localtion='AddGoods.aspx'</script>");
                return;
            }
        }
        else
        {
            read.Close();

            if (cbIsNew.Checked == true)
            {
                string sqlstr = "insert into tb_GoodsInfo"
                    + "(GoodsName,GoodsPrice,GoodsTypeID,GoodsIsNew,GoodsIntroduce,GoodsPhoto,AddUserId,addUserName,SaiShiId,SaiShiName) "
                    + "values('" + txtGName.Text.Trim() + "','" + txtGPrice.Text.Trim()
                    + "','" + ddlGType.SelectedValue + "','是','" + txtGIntroduce.Text.Trim() + "','" + pic.Text + "','" + Session["MemberID"].ToString() + "','" + Session["TName"].ToString()+ "','"+DropDownList1.SelectedValue+"','"+DropDownList1.SelectedItem.Text+"')";
                sqloperate.DataCom(sqlstr);
                Label1.Text = "添加成功";
            }