linkbutton | 易学教程

How to make a linkbutton onclick with parameters

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问题 HTML : <asp:LinkButton ID="lnk_productImage" runat="server" Text="select" OnClick="viewProductImage('<%#DataBinder.Eval(Container.DataItem,"Id") %>')" > </asp:LinkButton> CodeBehind: protected void viewProductImage(object sender, EventArgs e, int id) { //Load Product Image } 回答1: I see you're using a repeater, so you probably could use this code: In your repeater template: <asp:Repeater ID="_postsRepeater" runat="server" OnItemCommand="_postsRepeater_ItemCommand"> <ItemTemplate><asp

Dynamic TextBox on LinkButton click

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问题 I am creating dynamic TextBoxes in a page by clicking a LinkButton. However, after that, if the page is submitted, I can't find the items created dynamically, thus, can't send the information to the database. protected void lbAddTag_Click(object sender, EventArgs e) { for (int i = 0; i < 3;i++ ) { CreateTextBox("txtTag-" + i.ToString()); } } private void CreateTextBox(string ID) { TextBox txt = new TextBox(); txt.ID = ID; txt.Width = Unit.Pixel(300); //txt.TextChanged += new EventHandler

Link Button in asp.net click event not firing

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问题 <asp:LinkButton ID="lbDownloadFile" name = "lbDownloadFile" runat="server" CausesValidation="false" onclick="lbDownloadFile_Click" /> I have this link button. on click: protected void lbDownloadFile_Click(object sender, EventArgs e) { //here is my debug pointer/breakpoint ......................... } but this event is not firing. my Page_Load() event is firing. How to solve this problem? protected void Page_Load(object sender, EventArgs e) { if(!IsPostBack) { if (Session[Antrage

How to use a LinkButton inside gridview to delete selected username in the code-behind file?

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问题 I have a "UserDetail" table in my "JobPost.mdf". I have a "Gridview1" showing the column from "UserDetail" table,which has a primary key "UserName". This "UserName" is originally saved using Membership class function. Now I add a "Delete" linkbutton to the GridView1. This "Delete" is not autogenerate button,I dragged inside the column itemtemplate from ToolBox. The GridView1's columns now become "Delete_LinkButton"+"UserName"(within the UserDetail table)+"City"(within the UserDetail table)+

Why won't my LinkButton inside a GridView raise its OnClick event?

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问题 I have a LinkButton inside a GridView (via an TemplateField). No matter what I try, the LinkButton will not invoke its event handler. I have tried both: A traditional event handler ("OnClick") A OnRowCommand event handler at the GridView level. In both cases, I've debugged and it doesn't even catch the event handler. If I move the LinkButton out on the page (so it's not in the GridView), it works fine, so I know the syntax is right. Here is the "traditional" method: <asp:TemplateField>

Open popup with linkbutton

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问题 I am using bootstrap modal popup, and this div is (FOR EXAMPLE) a popup [using a repeater] <div id="messageContent">Hello World!</div> This pop-up can be opened by doing this (this works): <a href="#messageContent" role="button" class="btn" data-toggle="modal">Open Popup</a> But I want to pass some DataBinder.Eval -values with the <a href=""></a> , and this is not possible, so this is what I tried with a linkbutton : <asp:LinkButton ID="lbOpenMessage" runat="server" CommandName="OpenMessage"

ASP.NET Populate a listbox without a postback

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问题 I have a simple aspx page with a textbox, linkbutton and listbox. The listbox is to be populated with values from a stored procedure in a SQL database. What I'd like to do, somehow, is to populate the listbox with those variables when the user clicks the linkbutton. Ideally, I'd like to do this WITHOUT a postback. Is there any way this can be accomplished? Thanks, Jason 回答1: I mocked one up for you really quickly. <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat=

Linkbutton href url

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问题 I have a loop in my code with dynamic linkbuttons and I want to set the OnClientClick property to open up the link in a new browser window. It sounds simple but I am having a bit of trouble getting it to work. lbUrl = new LinkButton(); lbUrl.Text = r["Url"].ToString(); // r["Url"] is Datarow lbUrl.OnClientClick = "location.href=" + r["Url"].ToString(); Any ideas? 回答1: window.open() will open the link in a new browser tab/window lbUrl.OnClientClick = String.Format("window.open('{0}')", r["Url"

How do I make a form submit with a LinkButton?

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问题 My login usercontrol has two text boxes and a linkbutton. <asp:TextBox id="tbUserName" runat="server" size="10" /> <asp:TextBox id="tbPassword" runat="server" TextMode="Password" size="10" /> <asp:LinkButton Text="login" CssClass="submit" runat="server" ID="lbLogin" OnClick="btnLogin_OnClick" /> I would like to call the "btnLogin_OnClick function when someone pushes enter on tbUsername or tbPassword. How do I do this? 回答1: Here's a neat trick: <asp:Panel ID="pnlLogon" runat="server"

ASP.NET Populate a listbox without a postback

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I have a simple aspx page with a textbox, linkbutton and listbox. The listbox is to be populated with values from a stored procedure in a SQL database. What I'd like to do, somehow, is to populate the listbox with those variables when the user clicks the linkbutton. Ideally, I'd like to do this WITHOUT a postback. Is there any way this can be accomplished? Thanks, Jason I mocked one up for you really quickly. <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <div> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate>