// 查看的页面
protected void DataList1_EditCommand1(object source, DataListCommandEventArgs e)
{
if (ViewState["FT_Id"] != null && !(ViewState["FT_Id"].ToString().Equals("")))
{
int id = Convert.ToInt32(ViewState["ft_id"]);
FatieManager fm =new FatieManager();
MemberManager mm = new MemberManager();
Member M = new Member();
Fatie ft = fm.GetFatieByFT_Id(M.Mid);
M = mm.GetMemberByMid(id);
Response.Redirect("FtUpdate.aspx?id="+ft.FT_Id);
}
}// 编辑页的后台 protected void Page_Load(object sender, EventArgs e)
{
bind();
}
public void bind()
{
int id = Convert.ToInt32(Request.QueryString["FT_Id"]);
Member M = new Member();
MemberManager mm = new MemberManager();
FatieManager ftm = new FatieManager();
Fatie ft = new Fatie();
M = mm.GetMemberByMid(id);
ft=ftm.GetFatieByFT_Id(id);
this.lblName.Text = ft.M.MemberName;
this.lblTitel.Text = ft.FT_Title;
this.lblContent.Text = ft.FT_NeiRong;
this.lblTime.Text= ft.FT_Datetime;
}
protected void btnUp_Click(object sender, EventArgs e)
{
bind();
Member M = new Member();
Fatie ft = new Fatie();
ft.M.MemberName = this.lblName.Text;
ft.FT_Title = this.lblTitel.Text;
ft.FT_NeiRong=this.lblContent.Text;
ft.FT_Datetime = this.lblTime.Text;
FatieManager ftm = new FatieManager();
ftm.ModifyFatie(ft);
}
id过不来是怎么回事
protected void DataList1_EditCommand1(object source, DataListCommandEventArgs e)
{
if (ViewState["FT_Id"] != null && !(ViewState["FT_Id"].ToString().Equals("")))
{
int id = Convert.ToInt32(ViewState["ft_id"]);
FatieManager fm =new FatieManager();
MemberManager mm = new MemberManager();
Member M = new Member();
Fatie ft = fm.GetFatieByFT_Id(M.Mid);
M = mm.GetMemberByMid(id);
Response.Redirect("FtUpdate.aspx?id="+ft.FT_Id);
}
}// 编辑页的后台 protected void Page_Load(object sender, EventArgs e)
{
bind();
}
public void bind()
{
int id = Convert.ToInt32(Request.QueryString["FT_Id"]);
Member M = new Member();
MemberManager mm = new MemberManager();
FatieManager ftm = new FatieManager();
Fatie ft = new Fatie();
M = mm.GetMemberByMid(id);
ft=ftm.GetFatieByFT_Id(id);
this.lblName.Text = ft.M.MemberName;
this.lblTitel.Text = ft.FT_Title;
this.lblContent.Text = ft.FT_NeiRong;
this.lblTime.Text= ft.FT_Datetime;
}
protected void btnUp_Click(object sender, EventArgs e)
{
bind();
Member M = new Member();
Fatie ft = new Fatie();
ft.M.MemberName = this.lblName.Text;
ft.FT_Title = this.lblTitel.Text;
ft.FT_NeiRong=this.lblContent.Text;
ft.FT_Datetime = this.lblTime.Text;
FatieManager ftm = new FatieManager();
ftm.ModifyFatie(ft);
}
id过不来是怎么回事
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Member M = new Member();
Fatie ft = fm.GetFatieByFT_Id(M.Mid);
M = mm.GetMemberByMid(id);
Response.Redirect("FtUpdate.aspx?id="+ft.FT_Id);
Member M = new Member();
Fatie ft = fm.GetFatieByFT_Id(M.Mid);你 M.Mid有值么
//改接收这样
int id = Convert.ToInt32(Request.QueryString["id"]);
//或者改查看页面地址传递
Response.Redirect("FtUpdate.aspx?FT_Id="+ft.FT_Id);//id改为FT_id
//Request.QueryString["名称"]接收的 名称要和地址栏一致
===========
你确定你这一句取到值了?
两个名称要一致
变量名都不一样 能取到值吗??? 两个变量名你搞混了
下次细心一点啊
另外编辑页面
protected void Page_Load(object sender, EventArgs e)
{
if(!Page.IsPostback())
{
bind();
}
}没有postback 你即使编辑 也获取不了新值
跟踪Response.Redirect("FtUpdate.aspx?id="+ft.FT_Id值
public string id
{
get{return viewstate["id"].ToString();}
set{viewstate["id"]=value;}
}
=========
int id = Convert.ToInt32(Request.QueryString["id"]);
</div><div style="width:10%; margin:0px auto; float:left;">姓名</div>
<div style="width:50%; margin:0px auto; float:left; ">标题</div><div style="width:15%; margin:0px auto; float:left;">发贴时间</div><div style="width:14%; margin:0px auto; float:left;">编辑</div></div>
<asp:DataList ID="DataList1" runat="server" DataSourceID="GetAllFatieByConditionObjectDataSource" OnEditCommand="DataList1_EditCommand1">
<ItemTemplate>
<div style="width:800px; float:left; margin:0px auto; border:solid 1px black;"><div style="width:10%; margin:0px auto; float:left;"><asp:Label ID="lblid" runat="server" Text='<%# Eval("FT_Id") %>'></asp:Label></div><div style="width:10%; margin:0px auto; float:left;"><asp:Label ID="Label1" runat="server" Text='<%# Eval("M.MemberName") %>'></asp:Label></div>
<div style="width:50%; margin:0px auto; float:left;"><asp:Label ID="Label2" runat="server" Text='<%# Eval("FT_Title") %>'></asp:Label></div><div style="width:15%; margin:0px auto; float:left;"><asp:Label ID="Label3" runat="server" Text='<%# Eval("FT_Datetime") %>'></asp:Label></div><div style="width:15%; margin:0px auto; float:left;"><asp:LinkButton ID="Label4" runat="server" Text='编辑' CommandArgument="m" CommandName="FT_Id" PostBackUrl='~/Admin/FtUpdate.aspx?id=<%# Eval("FT_Id") %>'></asp:LinkButton></div></div>
</ItemTemplate>
</asp:DataList><asp:ObjectDataSource ID="GetAllFatieByConditionObjectDataSource"
runat="server" SelectMethod="GetSumFatieByMid" TypeName="zlm.BLL.FatieManager" UpdateMethod="AddFatie" DataObjectTypeName="zlm.Model.Fatie">
<SelectParameters>
<asp:QueryStringParameter Name="MemberName" QueryStringField="mname" Type="String" />
<asp:QueryStringParameter DefaultValue="" Name="dt" QueryStringField="dt" Type="String" />
</SelectParameters>
</asp:ObjectDataSource>
查看的页面代码
int id = Convert.ToInt32(Request.QueryString["FT_Id"]);
不一致了 把 int id = Convert.ToInt32(Request.QueryString["id"]);
if (!ispostback)
{
bind();
}
楼主要将绑定代码区块放到!ispostback区域中即可
if (ViewState["FT_Id"] != null && !(ViewState["FT_Id"].ToString().Equals("")))
这两行那个空?
如果是第一个就是上个页面没有传过来,
如果第二个有可能是你根本就没有给ViewState里边存值