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分享下拉列表框中内容无法保留
我在做保存的时候，有两个下拉列表框，在第一步的时候我都两个下拉列表框中的内容都进行了选择，在保存结束后有一个按钮，也就是第二张图片，点击的时候能够返回到刚刚先去保存操作的步骤，可是这个时候两个下拉列表框中的内容居然复原了，我想要它仍然显示我先前选择的内容，求大神帮忙啊！！！
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ahjdtjh 2013-03-06
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我在他的后台代码中把这个给注释了，可是在注释结束后他的选择Select Group却无法显示了
而且前台HTml中的Select Group也无法使用
而且前台HTml中的Select Group也无法使用
<asp:DropDownList ID="ddlLeadGroup" runat="server" Style="background: none repeat scroll 0 0 #EAF2F4;
width: 400px; font-size: 20px;" AppendDataBoundItems="true">
<asp:ListItem Text="Select Group" Value="" Selected="True">
</asp:ListItem>
</asp:DropDownList>private void BindLeadGroup(int LeadGroupID)
{
ddlLeadGroup.Items.Clear();
//ddlLeadGroup.Items.Add(new ListItem(" ", ""));
ddlLeadGroup.DataSource = LeadsGroup.Select((int)MemberID);
ddlLeadGroup.DataTextField = "LeadsGroupName";
ddlLeadGroup.DataValueField = "LeadsGroupID";
ddlLeadGroup.DataBind();
if (LeadGroupID != 0)
{
Utils.Common.setSelectedValue(LeadGroupID.ToString(), ddlLeadGroup);
}
}
我自横刀香甜笑 2013-03-04
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保存你选中的项。每次绑定数据的时候去设置下选中的项目。
ahjdtjh 2013-03-04
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clear？我这个需要的实现的功能说白了就是在刷新页面后先前选中的下拉列表框中的内容还在，如果用clear那不是给它归位了吗？
骑着蜗牛去爬山 2013-03-04
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在给下拉框绑定数据之前先clear一下
ahjdtjh 2013-03-04
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<asp:DropDownList ID="ddlTemplates" runat="server" AutoPostBack="true" Style="width: 400px;
font-size: 20px;" OnSelectedIndexChanged="ddlTemplates_SelectedIndexChanged"
AppendDataBoundItems="true">
<asp:ListItem Text="-" Value="" Selected="True">
</asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="ddlLeadGroup" runat="server" Style="background: none repeat scroll 0 0 #EAF2F4;
width: 400px; font-size: 20px;" AppendDataBoundItems="true">
<asp:ListItem Text="-" Value="" Selected="True">
</asp:ListItem>
</asp:DropDownList>
private void BindTemplates()
{
ddlTemplates.DataSource = SellSimilarItem.GetTemplates((int)MemberID);
ddlTemplates.DataTextField = "TemplateName";
ddlTemplates.DataValueField = "TemplateID";
ddlTemplates.DataBind();
}
private void BindLeadGroup(int LeadGroupID)
{
ddlLeadGroup.Items.Clear();
ddlLeadGroup.Items.Add(new ListItem("Select Group ", ""));
ddlLeadGroup.DataSource = LeadsGroup.Select((int)MemberID);
ddlLeadGroup.DataTextField = "LeadsGroupName";
ddlLeadGroup.DataValueField = "LeadsGroupID";
ddlLeadGroup.DataBind();
if (LeadGroupID != 0)
{
Utils.Common.setSelectedValue(LeadGroupID.ToString(), ddlLeadGroup);
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (User.Identity.IsAuthenticated)
{
UserID = Managers.Users.UserID;
Models.UsereBayAuthToken token = Managers.UsereBayAuthToken.Get(UserID);
if (token != null)
{
if (token.HardExpirationTime > DateTime.Now)
{
eBayAuthToken = token.eBayAuthToken;
ucItemSpecifics.eBayToken = token.eBayAuthToken;
Member member = Members.findByEmailAddress(User.Identity.Name);
if (member != null)
{
MemberID = member.MemberID;
txtPayPalEmailAddress.Text = member.PaypalID;
txtLocation.Text = member.eBayLocation;
GetSkuCounterString();
if (tmpLeadID == 0)
{
tmpLeadID = new Random().Next(100000000, 999999999);
}
if (member.eBayLaunchItem != null)
{
eBayLaunchItem = member.eBayLaunchItem.Value;
if (member.eBayLaunchItem.Value)
{
ShoweBayPanels(null, null);
}
else
{
HideeBay(null, null);
}
}
// select all Buyer Requirements by default
br.LinkedPayPalAccount = br.MaximumUnpaidItemStrikesInfo = br.ShipToRegistrationCountry =
br.MaximumBuyerPolicyViolations = br.RequireMinimumFeedbackScore =
br.MaximumItemRequirements = br.MaximumItemRequirementsMinimumFeedbackScore = true;
// set Quantity On Hand = 1, by default
txtQuantityOnHand.Text = "1";
if ((!string.IsNullOrEmpty(Request.QueryString["ssi"])) && (Request.QueryString["ssi"] == "t"))
{
if (!string.IsNullOrEmpty(Request.QueryString["act"]) && (Request.QueryString["act"] == "clone"))
{
if (Session["cloneItem"] != null)
{
SellSimilarItem template = Session["cloneItem"] as SellSimilarItem;
ForSellSimilarItem(template);
pTemplates.Visible = false;
isClone = true;
foreach (LeadFile lf in template.LeadFile)
{
Managers.LeadFiles.Insert(tmpLeadID, "", lf.FileName, "");
}
}
}
else if (!String.IsNullOrEmpty(Request.QueryString["act"]) && Request.QueryString["act"] == "editTemplate")
{
if (!string.IsNullOrEmpty(Request.QueryString["tid"]))
{
List<SellSimilarItem> temps = SellSimilarItem.GetTemplates(TemplateID, Convert.ToInt32(MemberID));
if (temps != null && temps.Count > 0)
{
SellSimilarItem template = temps[0];
ForSellSimilarItem(template);
tbNewTemplateName.Text = template.TemplateName;
pTemplates.Visible = false;
ptemplateName.Visible = true;
ClientScript.RegisterStartupScript(this.GetType(), "hidden", "<script>document.getElementById('btnContinue_show').style.display='none';</script>");
btnUpdate.Visible = true;
lbtnContinueTop.Visible = false;
lbtnContinueBottom.Visible = false;
lbtnSaveCloseTop.Visible = false;
lbtnSaveCloseBottom.Visible = false;
lbtnCancelTop.Visible = false;
lbtnCancelBottom.Visible = false;
}
}
}
else
{
if (Session["SimilarItem"] != null)
{
SellSimilarItem template = Session["SimilarItem"] as SellSimilarItem;
ForSellSimilarItem(template);
}
}
BindTemplates();
BindLeadGroup(0);
}
else if (Session["DefaultTemplate"] != null)
{
BindTemplates();
SellSimilarItem defaultTemplate = (SellSimilarItem)Session["DefaultTemplate"];
cbDefaultTemplate.Checked = true;
ddlTemplates.Items.FindByValue("").Selected = false;
ddlTemplates.Items.FindByValue(defaultTemplate.TemplateID.ToString()).Selected = true;
ForSellSimilarItem(defaultTemplate);
}
else
{
BindTemplates();
BindLeadGroup(0);
}
lbtnSaveCloseTop.Visible = false;
lbtnSaveCloseBottom.Visible = false;
}
else
{
Close();
}
}
else
{
Sigin();
}
}
else
{
Sigin();
}
}
else
{
Close();
}
}
else
{
lblLeadQuality.Text = txtLeadQualityText.Text;
ucItemSpecifics.CategoryID = eBayCategoryID.ToString();
if (!String.IsNullOrEmpty(Request.QueryString["act"]) && Request.QueryString["act"] == "editTemplate")
{
if (!string.IsNullOrEmpty(Request.QueryString["tid"]))
{
ClientScript.RegisterStartupScript(this.GetType(), "hidden", "<script>document.getElementById('btnContinue_show').style.display='none';</script>");
bdmh 2013-03-04
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你填充数据的代码在哪，如果是在pageload事件中，加上 ispostback的判断，这样保证只填充 一次
