AddTopic.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 AddTopic : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        
        if (!IsPostBack)
        {
            DlShangJia.DataSource = data.GetDataReader("select   * from  dbo.BBSType   order by  id asc ");
            DlShangJia.DataBind();
            if (Session["UserId"] == null)
            {
                Alert.AlertAndRedirect("对不起您没有登录！", "Default.aspx");

            }
            else
            {
             

                DropDownList2.DataSource = data.GetDataReader("select * from dbo.BBSType");
                DropDownList2.DataValueField = "id";
                DropDownList2.DataTextField = "TypeName";
                DropDownList2.DataBind();

            }
        }

    }
    protected string CutChar(string strChar, int intLength)
    {
        //取得自定义长度的字符串
        if (strChar.Length > intLength)
        { return strChar.Substring(0, intLength); }
        else
        { return strChar; }

    }

    protected void Button1_Click(object sender, EventArgs e)
    {

        if (Session["JinYan"].ToString() == "是")
        {
            Alert.AlertAndRedirect("您已经被禁言了不能发布信息！", "Default.aspx");

        }
        else
        {
            data.RunSql("insert into PostMsg(PostTitle,UserID,PostContent,TypeId,TypeName,LeiXing)values('" + tb_title.Text + "','" + Session["UserName"].ToString() + "','" + content1.Value + "','" + DropDownList2.SelectedValue + "','" + DropDownList2.SelectedItem.Text + "','普通帖子')");