C# - Binding A Button To A GridView?
Jan 7, 2011
This a pretty simple question, I'm just not sure how to do it exactly. I would like to bind a Button or perhaps ImageButton to a GridView in ASP.NET/C#. Currently, the GridView has two columns and is bound to a DataTable with two columns. I want to add a third column to the GridView, which will include the Button.I know GridView has ButtonField, but I'm not too sure how to go about using it to do what I want. I want to dynamically generate these Buttons and add them to the GridView.Here is how my GridView looks right now:
<asp:GridView
ID="GridView1"
Runat="server">
[code]...
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Mar 3, 2011
I am trying to bind a radiobutton that is part of my gridview. It will not bind a zero when that is the value that it pulls in, but it will bind to a 1. problems is we are to long in programming and need it to bind to a zero to insert back into the db correctly.
[Code]....
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Jan 6, 2010
I am trying to add 2 binds to a CommandArgument so both are passed.
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May 6, 2010
I've got a very complex form and i'm using the MVC model binding to capture all the information
I've got it set up to capture all the different submissions that can happen as there are about 10 different submit buttons on the form, and there are also 2 image buttons
I tried to get a bit clever (or so i thought) with capturing the image button submissions, and have created a child class so that i can capture the x value that's returned
[code]....
The html for the image button then looks like
<input type="image" id="ViewDataObject_ImageButton" name="ViewDataObject.ImageButton" />
This works fine in all browsers except for Chrome.
When i debug it in chrome, the Request.Form object contains the values that i would expect, but after the model binding has occurred, the ImageButton property on the ViewDataObject has been set to null
The only difference that i can see between the submission values is that Chrome passes the x as lower case (ViewDataObject.ImageButton.x) and IE passes it as upper case (ViewDataObject.ImageButton.X) but i didn't think that model binding took any notice of casing on property names.
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Jan 14, 2011
I'm having some problems. I am trying to bind the visible attribute of a button, to a boolean in my code-behind, and it is not working as intended.
When i put a breakpoint on the boolean, i can see it is ONLY visited, when it is true. In the cases where it is false, it is never questioned, and it apparently defaults to true (dunno why).
In essence, i have a querystring called "dep". If it is not the same as the department the user is in (retrieved from AD), the boolean will return false.
So, i assume i am doing something wrong here. Here's my code.
Page.aspx
[Code]....
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Mar 10, 2011
I have a Formview that is bound to an SQL database, and in its item template I have added an image button.
That image button on selection needs to postback a primary key Value (VoucherID) to be used in a second control on the same page. In VWD I can get it to post back but I can't get it to post back with the VoucherID parameter.
I can easily get it to send a querystring parameter, but I don't want to do it this way.
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Nov 11, 2010
Im using the following code:
jQuery(document).ready(function () {
jQuery('<%= btnSave.ClientID %>').click(function(){
alert('world');
});
});
And when I click the asp.net button:
<asp:Button ID="btnSave" runat="server" Text="Save" OnClick="btnSave_Click" />
It just doesnt fire. Anybody know why?
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Jun 12, 2010
i have two button in form i want to bind required field validator to only one button, bcaz it invoke in both button.
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May 5, 2010
1. When executed I have a "Add Building" and "Click here to add tower" on the page.
2. When clicked on "Add Building" a editable gridview appears when I enter the text and say update.
3. When I click on "Click here to add tower" another button "Add Tower" is displayed on the
page.
4. On this "Click here to add tower" event I have called the usercontrol, where the usercontrol has a editable gridview and a button called "Add Tower".
5. When I click on "Add Tower" a editable gridview should be displayed but the editable gridview is not displayed ,it disappears.
6. Postback is happening ,so I am not getting where and how to handle the postback and even the viewstate
[code]....
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Jun 2, 2010
I've coded a GridView in the markup in a page. I have coded a DataTable in the code-behind that takes data from a collection of custom objects. I then bind that DataTable to the GridView. (Specific problem mentioned a couple code-snippets below.)
GridView Markup:
<asp:GridView ID="gvCart" runat="server" CssClass="pList" AutoGenerateColumns="false" DataKeyNames="ProductID">
<Columns>
[code]....
Goal: I'm basically trying to find a way to update the data in my GridView (and more importantly my cart Session object) without having to do everything else I've seen online such as utilizing OnRowUpdate, etc. Could someone please tell me why gvCart.Rows is empty and/or how I could accomplish my goal without utilizing OnRowUpdate, etc.? When I execute this code, the GridView gets populated but for some reason I can't access any of its rows in the code-behind.
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Dec 10, 2010
I have a set of dataset with different column retrieved from DB. I need to present the datasets in one GridView (or other ListView etc...) without specifying the column_header. It should present automaticly since the GridView is bind to the DataSet.
In additional, I want this GridView to handle multiple rows edit and update the dataset, idealy, show data in textboxs in initially.How could I set the GridView to edit_model without hardcode column_header and textboxs in 'itemtemplate' or filed.
How could I achieve the bulk edit and update, so that I can assign 'mydataview1.table' to the dataset.
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Mar 24, 2010
I have a XML file which contains a list of items/elements:
[Code]...
I can bind the data into a gridview. However, only the attributes are displayed(which is: category and ID). I need the elements to display out too (which is: Name,Description,Latitude and Longtitude).
Would anyone be kind enough to solve this problem for me?
And is it possible to populate a drop down list in using the same XML file? As in populating the category in the drop down list.
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Jan 26, 2011
I have an arraylist of string items that I want to bind to a gridview.I want to bind the value from each item to a asp:HyperLinkField but I dont know what the DataTextField should be? The arraylist obviously doesn't have a column heading as it's just 1 dimensional.What value do I need to use in the DataTextField?
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Jan 1, 2010
I am trying to make a simple grid view that is binded to a simple xml document but I must be missing something since I am keep getting error message:
The data source for GridView with i 'GridView1' did not have any properties or attributes from which to generate columns. Ensure that your data source has content.
Code
<asp:GridView ID="GridView1" runat="server" DataSourceID="XmlDataSource1">
<Columns>
<asp:BoundField DataField="id" HeaderText="ID" SortExpression="id" />[code]...
Is it perhaps my xpath that is wrong or am I making something fundamentally wrong here?
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Jan 12, 2012
I want to be able to click on a cell in the GridView and determine the data in the cell. So using the example from here [URL] .... I created a new class inheriting the GridView class. But the problem I am running into now is that the data is now being added twice to the GridView so that I have twice as many columns than I had before. Base on what I was able to gleem from the Internet is that the DataBind method is running twice. Once for my class and once for the inherited class.
Is there a way to keep this from happening?
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Sep 28, 2013
I am trying to bind GridView when I'm getting next exception: 'System.Data.DataRowView does not contain a property with the name "AvailabilityDate".
Below are my asp GridView and Vb codes with both purple lines where the exception happens.
<asp:GridView ID="gvAvailability" runat="server"
PageSize="50" ShowFooter="True"
BackColor="White" BorderColor="#CC9966" BorderStyle="None"
BorderWidth="1px" CellPadding="4" AutoGenerateEditButton="True"
AutoGenerateDeleteButton="True" EmptyDataText="No records found!"
GridLines="None" AllowPaging="True" AutoGenerateColumns="False">
[Code] .....
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Sep 23, 2011
I have two tables:
Table 1: QuestionsBank
Columns:
ID
TheQuestion
Table 2: Answers
Columns:
QuestionID
Answer
Result
Example first table:
ID The Question
1 what is mean cat?
2 what is mean forum?
3 How you can register in vbforum?
Example second table:
QuestionID Answer Result
1 it's mean tomcat 10
1 mean cat 10
2 Nothing 0
I want gridview display as in below:
ID The Question Answer Result
1 what is mean cat? it's mean tomcat 10
1 what is mean cat? mean cat 10
2 what is mean forum? Nothing 0
etc ...
Note:No any relation between tables only ID column is primary Key and i have also primary key in second table.
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Mar 4, 2011
What's the difference between binding for example a column called ("Name") in both cases ? and is there's any performance difference ?1- Assigning the data in the mark-up
<asp:Label ID="Name_Lbl" runat="server" Text='<%# Eval("Name") %>' ></asp:Label>
2- defining a control object for every control inside the repeater ItemTemplate and find it and then assign the data in the column "Name" to ite.Item.FindControl("Name_Lbl")
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May 8, 2010
I am using the ajax control toolkit - Tabcontainer. I wonder how to refresh the latest data inside the tab. For example, I have two tab. The first tab is a add form. After I add the form, I prompt out a successful message. Then I click on the second tab which is my gridview listing of the inserted record. But when I click on the second tab, it seem not binding the gridview to show the most latest record I have inserted.
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Sep 8, 2010
i have a grdidview control on the .aspx page and i am trying to connect dynamically from code behind and bind the gridview but somehow it throwing me an error... what is wrong with this code?
LinqDataSource LDS_POReport = new LinqDataSource();
LDS_POReport.ContextTypeName = "DataContextDataContext";
LDS_POReport.Selecting += new EventHandler<LinqDataSourceSelectEventArgs>(LinqDataSourcePO_Selecting);
this.gvReport.DataSource = "LDS_POReport";
//this.gvReport.DataBind();
Update:
after i update the code to this.gvReport.DataSource = LDS_POReport;
it works fine but when i try to sort i get this error:
The GridView 'gvReport' fired event Sorting which wasn't handled.
i added this but no effect.
LDS_POReport.AutoPage = true;
LDS_POReport.AutoSort = true;
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Jul 27, 2010
how one might go about binding to a gridview in ASP.Net 4 in a scenario where the first row of my gridview should be the headers, the second should be a combobox for each column and the third is the beginning of my actual datasource.
If you can imagine what I am trying to achieve is an ability to create a binding between each column in the datagrid and another datasource. This binding is created by the user selecting a value in the comboboxes. However no matter what I try I cant seem to achieve this.
HeaderText1 | HeaderText2 | HeaderText3
ComboBox1 | ComboBox2 | ComboBox3
DataRow1 | DataRow1 | DataRow1
DataRow2 | DataRow2 | DataRow2
DataRow3 | DataRow3 | DataRow3
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Mar 16, 2011
Is their any way I can bind each column of the grid seperatly with each property? It is possible to do that in web form, but i am not sure about MVC grids.
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Feb 17, 2011
I want to bind gridview at runtime on button click.
I have use AJAX toolkit control, it's reference on that page(also script manager and update panel controls required for AJAX controls). When i remove all these from my page gridview data binds successfully. But when i use these controls and AJAX library reference, data is not binding to grdiview control. But at debug time it shows row count to 2 which is exact count which i wants.
here is my binding sample.
AMCGrid.DataSourceID = "AMCFILLAll"
AMCGrid.DataBind()
here AMCFILLAll is my sqlDatasource.
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Mar 4, 2011
I am developing a web application where in i have a WCF service which interacts with the database using entity framework. I want to get rid of creating Classes for each & every LINQ query
e.g
public class Emp
{
public int CD{get;set;}
public string Name{get;set;}
}
public List<Emp> GetServTypeForPromotionDue()
{
return (from a in Context.TableName
select new Emp{ a.CD, a.NAME });
}
for other table & LINQ i have to create a separate class every time. Alternative to this is to use Anonymous method which is not preferable solution. To avoid both the methods I am using Tuple Class where I return List> or List> depending on the return type. This works fine but the problem is I am binding the result of LINQ query directly to a Gridview By default Tuple has properties item1,item2,..& so on. So my griview shows these names are column names so, Is there any way I can change the property name to CD, Name instead of Tuple's Item1, Item2 before binding to grid?
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Oct 14, 2010
how can i bind data to gridview when using compiles query?
load all country
[code]....
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