YSF_add.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;

public partial class YSF_add : System.Web.UI.Page
{
    SQLHelper sqlHelper = new SQLHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string sql = "select * from Users";
            DataSet dt = new DataSet();
            dt = sqlHelper.ExecuteDataSet(sql);
            if (dt.Tables[0].Rows.Count > 0)
            {
                brxm.DataSource = dt.Tables[0].DefaultView;
                brxm.DataTextField = "username";
                brxm.DataValueField = "username";
                brxm.DataBind();
            }

        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        try
        {
            string strSql =
                "insert into feiyong(Uid,Eid,Mc,FJE,Fshij) values('"
                + this.brxm.SelectedItem.Text + "','"
                 + this.Eid.Text + "','"
                  + this.Mc.Text + "',"
                   + this.FJE.Text + ",'"
                + this.Fshij.Text + "')";

            if (sqlHelper.ExecuteNonQuery(strSql))
            {
                this.Messages.Text = "添加成功！";
            }
            else
            {
                this.Messages.Text = "添加失败！";

            }
        }
        catch
        {
            this.Messages.Text = "添加失败！";
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {