Admin/Conctrl/AddBlog.ascx.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 JD.Model;
using JD.BLL;

public partial class Admin_Conctrl_AddBlog : System.Web.UI.UserControl
{
    int id;
    Blog _b;
    int type;
    protected void Page_Load(object sender, EventArgs e)
    {
        type = Convert.ToInt32(Request.QueryString["type"]);
        id = Convert.ToInt32(Request.QueryString["id"]);
        if (id != 0)
        {
            _b = BlogMananger.GetByID(id);
            type = _b.Type.ParID;
            if (!IsPostBack)
            {
                DropDownList1.DataSource = BlogTypeMananger.Get(_b.Type.ParID);
                DropDownList1.DataBind();
                TextBox1.Text = _b.Title;
                FreeTextBox1.Text = _b.Text;
                DropDownList1.ClearSelection();
                DropDownList1.Items.FindByValue(_b.Type.Id.ToString()).Selected=true;
                CheckBox1.Checked = _b.Order == 0 ? true : false;
            }
        }
        else if (!IsPostBack)
        {
            DropDownList1.DataSource = BlogTypeMananger.Get(type);
            DropDownList1.DataBind();
        }
        if (type != 2)
            imgtr.Visible = false;

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string mgf = string.Empty;
        string filename = FileUpload1.FileName;
        if (filename != "")
        {
            if (!(filename.ToLower().EndsWith(".jpg") || filename.ToLower().EndsWith(".gif")))
            {
                Page.ClientScript.RegisterClientScriptBlock(GetType(), "key", "alert('图片格式有误，必须为jpg或gif格式')",true);
                return;
            }
        }
        Blog b = new Blog ();
        b.Img = "0";