AddLiuYan.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 AddLiuYan : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {
        
            if (Session["username"] == null)
            {
                 Alert.AlertAndRedirect("对不起您还没有登录", "Login.aspx");
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {

        
         data.RunSql("insert into Topic(Topic,AddUser,Content,TouSuType,TouSuTypeID)values('" + tb_title.Text + "','" + Session["username"].ToString() + "','" + FCKeditor1.Value+ "','"+DropDownList1.SelectedItem.Text+"','"+DropDownList1.SelectedValue+"')");
       
         Alert.AlertAndRedirect("发布成功", "LiuYanList.aspx");

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        SqlDataReader dr = data.GetDataReader("select * from  TypeKey where KeyName  like '%"+TextBox1.Text+"%'");
        if (dr.Read())
        {
            DropDownList1.DataSource = data.GetDataReader("select * from TouSuType where id=" + dr["TypeId"].ToString());
            DropDownList1.DataTextField = "TypeName";
            DropDownList1.DataValueField = "id";
            DropDownList1.DataBind();

        }
        else
        {
            DropDownList1.DataSource = data.GetDataReader("select * from TouSuType");
            DropDownList1.DataTextField = "TypeName";
            DropDownList1.DataValueField = "id";
            DropDownList1.DataBind();

 
        }
       
    }
}