?? shopping.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 MemberManage_Shopping : System.Web.UI.Page
{
SqlOperate sqloperate = new SqlOperate();
SqlConnection sqlconn = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
protected void Page_Load(object sender, EventArgs e)
{
if (Session["MName"] == null)
{
Response.Write("<script>alert('您還沒有登錄,請登錄后再使用該功能!');</script>");
}
if (!IsPostBack)
{
string sqlstr = "select OrderID,GoodsName,GoodsTypeName,GoodsPrice from tb_OrderInfo"
+" where OrderMember='" + Session["MName"].ToString() + "' and IsCheckout='否'";
gvOrderInfo.DataKeyNames = new string[] { "OrderID" };
sqloperate.gvDataBind(gvOrderInfo, sqlstr);
string sqlstrtprice = "select sum(GoodsPrice) as tprice from tb_OrderInfo"
+" where OrderMember='" + Session["MName"].ToString() + "' and IsCheckout='否'";
sqlconn.Open();
SqlDataAdapter myda = new SqlDataAdapter(sqlstrtprice,sqlconn);
DataSet myds = new DataSet();
myda.Fill(myds,"tb_OrderInfo");
DataRowView mydrv=myds.Tables["tb_OrderInfo"].DefaultView[0];
labMoney.Text = Convert.ToString(mydrv.Row["tprice"]);
}
}
protected void lbtnCheck_Click(object sender, EventArgs e)
{
if (labMoney.Text == "")
{
Response.Write("<script>alert('您的購物車中沒有任何物品');</script>");
}
else
{
string sqlstr = "select MemberName,MemberMoney from tb_Member where MemberName='" + Session["MName"].ToString() + "'";
sqlconn.Open();
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlconn);
DataSet myds = new DataSet();
myda.Fill(myds, "tb_Member");
DataRowView mydrv = myds.Tables["tb_Member"].DefaultView[0];
string MPrice = Convert.ToString(mydrv.Row["MemberMoney"]);
if (Convert.ToInt32(MPrice) < Convert.ToInt32(labMoney.Text.Trim()))
{
Response.Write("<script>alert('您的余額不足,請重新充值后再購買!');</script>");
}
else
{
string sqlstrshop1 = "update tb_Member set MemberMoney='"
+ (Convert.ToInt32(MPrice) - Convert.ToInt32(labMoney.Text)) + "' where MemberName='" + Session["MName"].ToString() + "'";
sqloperate.DataCom(sqlstrshop1);
string sqlstrshop2 = "update tb_OrderInfo set IsCheckout='是' where OrderMember='" + Session["MName"].ToString() + "'";
sqloperate.DataCom(sqlstrshop2);
Response.Redirect("SuccShop.aspx");
}
}
}
protected void lbtnClear_Click(object sender, EventArgs e)
{
string sqlstr = "delete from tb_OrderInfo where OrderMember='"
+ Session["MName"].ToString() + "' and IsCheckout='否'";
sqloperate.DataCom(sqlstr);
Response.Redirect("Shopping.aspx");
}
protected void gvOrderInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
gvOrderInfo.PageIndex = e.NewPageIndex;
gvOrderInfo.DataBind();
}
protected void gvOrderInfo_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
((LinkButton)(e.Row.Cells[3].Controls[0])).Attributes.Add("onclick","return confirm('確定要刪除嗎?')");
}
}
protected void gvOrderInfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from tb_OrderInfo where OrderID='"+gvOrderInfo.DataKeys[e.RowIndex].Value+"'";
sqloperate.DataCom(sqlstr);
Response.Redirect("Shopping.aspx");
}
}
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