Gridview Templatefield With Multiple Items?
Jun 19, 2012
I am creating a web application in ASP.net/VB.NET and I have an issue with the gridview.Currently, I have the gridview populated with data from the DB and I've also coded the update button to allow the user edit any necessary information through a form that pops up.[URL]...
What I'd like to do, if possible, is add a button to the two right columns(I already put one in the Dock Out Time column) which will be invisible if the column is set or will set the current time to the column. Setting the time for those two columns is already handled through the update form, but my supervisor asked me to try and see if this was possible.
Those two Time columns are Templatefields(since I format the display time from what is actually in the DB) and I added an asp button in the ItemTemplate for that Set Button in the picture.Is this even possible to do and if so, how would I access this button in the code behind so I can add functionality(setting the time and hiding it if the column is not null)If it's not really possible to have two items like this in a templatefield I can just make 2 extra columns for these buttons but I think this would look much cleaner.
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Jun 22, 2012
I have a gridview which I'm converting to a PDF with iTextSharp. I've been following along with the method in this post.Since I'm using VB.net I've changed all the C# code over but I've been having problems with one line.if (gvReport.Columns[columnNo] is TemplateField)I don't know how to write this line in VB.net and as I have a few templatefields in my gridview (for formatting) they show up as blank in the PDF
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Jun 22, 2012
I have a GridView which is programatically filled from the DB (not a SqlDataSource or such). There are 4 columns which are TemplateFields as I format their text. They are Dates and Times and this is the one of their TemplateField:[code]'ve been using the method in this Post which was converted to VB code from this to convert the GridView to a PDF using iTextSharp.My issue is that I'm getting a Null Reference exception here when adding the GridView data to the PDF(inside the For Loops):[code]These Date/Time columns show up as empty on the PDF while all other columns show up with no issues.
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Feb 7, 2012
I have an ASP.net web page with VB code behind linking to an MS SQL DB. On the web page I have 4 DropDownLists and 1 GridView. Each DDL is populated with a SELECT DISTINCT query on 4 corresponding columns from 1 table in the DB. What I would like to be able to do is: when any of the DDLs have their selected item changed the other DDLs are updated. Crude example:
[Code]...
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Dec 6, 2010
How to show pop up menu from database in gridview on each gridview row items ?Example of this is : http:[url].....Move your cursor to Departure time and arrival time...a want this type of popup in gridview items....which fetch entries from database..
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Mar 1, 2012
I am using a column with check box to be able to select my data row from a GridView. But The OnCheckChanged event won't fire. I have tried reading articles to make it work and copy code exactly and it just won't fire. I am using vb.net and asp.net
<asp:GridView ID="locationDetailGrid" runat="server">
<Columns>
<asp:TemplateField>
[code]....
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Jul 21, 2009
I am looking to be able to add items to a combox in a gridview at runtime. The only code that I have found is for an editable datagrid combobox not one that items can be added on runtime. Is anyone now of a free datagridview control that does this?
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May 2, 2009
I have a gridview that displays items details, I added two template fields one is a checkbox and the other is a textboc, what I want is simply to check all the items the customer wants to buy, and write down the quantity in the textbox, when I click on a button, I should check all rows in the gridview and when the checkbox is Checked then I should compare the value in the textbox with the value in a databound field of the gridview called Quantity and then carry on my order function...
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Jun 15, 2011
I got 2 forms. form A - listview Form B - gridview I like to know how to select a row in gridview and send the selected item into a listview.
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Dec 21, 2010
if booking closed column values is equal or more than textbox1 text then the book button in gridview will be disabled for each gridview item whose booking closed time is greater and equal to textbox1 time ..
How to do that ?
M using VS 2008 and vb
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Mar 8, 2011
I am trying to an ImageUrl to an image in a Template Field in GridView but keep getting the error:
Object reference not set to an instance of an object. on this line:
Dim imagePath As String = rowView("image_path")
I've never done this before on a GridView but had it working on a ListView.
Heres my code:
.APSX
<asp:GridView ID="gvImages" DataKeyNames="id" runat="server" AutoGenerateColumns="False" BorderWidth="0px" GridLines="None">
<Columns>
<asp:TemplateField>
<ItemTemplate>
[Code] .....
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Sep 24, 2009
I want to show items in my gridview as a 5 across and a 5 down display - I already have the query pulling only 25 records per a page but cant seem to make the gridview do what I want
Example:-
record 1 : record 2 : record 3 : record 4 : record 5
record 6 : record 7 : record 8 : record 9 : record 10
etc ...........................................
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Feb 8, 2011
How can I add check box to gridview and when checking select data items?
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Oct 7, 2010
I would like to show different values in a dropdownlist, while editing a gridview, depending on which user is logged in. For example...
The officer would see "Approved by Officer" status.
The director would see "Approved by Director" status
I am trying to add these programatically to a dropdownlist which I have in the edit template of my gridview (approvalsGrid). Here is my code:
Protected Sub ApprovalsGrid_RowUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles ApprovalsGrid.RowUpdating
Dim ApprovalEditDD As DropDownList = CType(ApprovalsGrid.Rows(ApprovalsGrid.EditIndex).FindControl("ApprovalEdit"), DropDownList)
[code]....
I do not get any errors. But get an empty dropdown with no items. Am I using the correct event?
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Apr 24, 2012
The user will click the book name in the combo box.
Note: The combo box is separate from datagridview . It is not part of datagridview columns.
Then the datagridview for Issuing books i.e. with the columns bid,bname,aname,data of issue,date of return should be displayed.
The row that will be displayed in datagridview is such that the bookname selected by user in the combo box should match with bname row .
On the same datagridview there will be button with name "Issue" so once it is clicked then this whole data of datagridview should get stored in the database table name "Issue" and get deleted from the databse table name "MBA"
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Aug 17, 2011
I have a stored procedure that retrieves employee information - I don't want to edit this stored proc because it is globally use with in the website. Here is now my dilemma, how can I put multiple row records in a column in the grid view. Is Gridview powerful enough to my scenario below or I really need to edit the store proc or my copy of it.
Record Retrieve by stored proc
Employe_ID Purchase ID Amount
1 0123456 100
1 012356 560
1 012446 560
[Code].....
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Mar 7, 2011
I am trying to delete multiple rows from a GridView but I am struggling to find out if a check box was checked.At the moment my code isn't attempting to delete anything just check which checkboxes were checked and which weren't. My attempt isn't showing any checkboxes as being checked and also seems to loop though the GridView rows twice!
.ASPX
<asp:GridView ID="gvImages" DataKeyNames="id" runat="server" AutoGenerateColumns="False" BorderWidth="0px" GridLines="None">
[code].....
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May 25, 2010
I have a grid view that will display columns from multiple data sources (3)The data sources are stored procedures that contains a variety of columns not identical,How can i select the columns from these datasources and bind them to the Grid programtically (from code behind)?
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Apr 21, 2012
How do I filter my DataGridView with multiple checkboxes names? I want to filter in which region the suppliers are located. ex. RegionTable.Regionrow. And I have 4 different regions(checkboxes text name) I want to filter with. Compatible to use multiple choices in filtering.
So. Checking 2 of the 4 regions and pushing the filter button should filter the gridview after checked checkboxes. I have tried different methods for 4 hours and search the net but can't find any good method.
[Code]...
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Aug 13, 2010
I have the following code to add a new row into a datatable and then bind it to a gridview.I need to add a new row anytime i click the Button2.What do i need to change in the code so i can have multiple rows before i submit them to a database?
Private Sub BindGrid()
Dim DT As New DataTable
Dim Row As DataRow
[code]....
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May 9, 2009
In grid there r checkboxes for selecting the records to be updated as soon as checkbox is checked textboxes changes to edit mode. when data is modified and update button is clicked updation should be done to the database.But when update button is clicked its not working.when i checked through breakpoints i m not getting the value for the variable strID.
Protected Sub btnupdate_Click( ByVal sender As Object , ByVal e As System.EventArgs) Handles btnupdate.Click
Dim strSql As New StringBuilder( String .Empty)
Dim cmdup As New SqlCommand
For i As Integer = 0 To GridView1.Rows.Count - 1
[code].....
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May 16, 2012
I have the following function that returns only the 1st row of data and puts it in a nice table. My knowledge in this area is limited in that I don't know how to create the table to return multiple rows. Can you show me how to change this to return all rows, no matter how many there are? my sql select statement may return 0 rows or many rows.
<System.Web.Services.WebMethodAttribute(), System.Web.Script.Services.ScriptMethodAttribute()> _
Public Shared Function GetDynamicContent(contextKey As String) As String
[Code]....
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Jul 21, 2010
I have a Devexpress Gridview that is linked to a delete, fetch and update stored procedure. The problem I am having is that when I run my program, select a row in the grid and press delete it fires the event multiple times. Specifically it deletes the selected row and then I re-fetch the data so the focus returns to the first row. Which is what I want.
Unfortunately it starts at the beginning of my list and goes down it row by row deleting each row it comes to. It then continues several more times after the rows are deleted. I know this because for each deleted row it asks me if I want to delete it. If I say no then the rows appear to disappear until I manually refresh it after the deleting is done. To make this even more random the second row always reappears after I manually refresh the grid.
[Code]...
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Nov 11, 2009
I have an app where I need to dynamically choose an SQLDataSource for a GridView so I can use 1 of 2 stored procedures, depending on who is logged into the system. My problem is that I am using logic like this, in the button click...
If Session("SiteType") = "Type1" Then
GridView1.DataSourceID = "SqlDataSource2"
Else
[code]....
This happens when you click the button that reveals the panel with the gridview in it. The user then makes changes (basically adjusting a text box on one or more liens of the grid) and then clicks "save". However, the gridview no longer knows its DataSourceID once this happens, so when I try to go through the gridview's rows - there are none.
If, in the save button's click, I put the same code, it (of course) blanks out any of the data changes I made in the form. So, simply put - how do I dynamically choose the SqlDataSource, but only one time, so that the program then keeps that SqlDataSourceID associated with the gridview until the end of the cycle? Is this a ViewState thing? I don't totally understand ViewState...
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Mar 12, 2011
I'm running the following query:
' Show which halls they are eligible for.
Dim dbRooms As New pbu_housingEntities
Dim gender As String = Session("gender").ToString
[Code]....
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May 24, 2011
I have several items, i want to calculate a minimum rectangle in which they can be fit, but items are rotated to some degree, or skewed or both. So how do i get the least rectangle which can contain all ?
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Feb 3, 2009
I have not programmed since the late 90's (VB 6.0)Using Visual Basic 2008 Express, I'm creating a simple program but have one question:Is there a quick way to change a value on multiple items? For my program, I need to make a group of text boxes (anywhere from 14 to 546 unique boxes) "Enabled = True" or "Enabled = False" depending on a user selected value.
In a little more detail: The user selects the number of data rows on one tab. On the other tab are 40 rows of text boxes (14 boxes per row). If the user selected 15 rows, every row below 15 should be "Enabled = False".Thus far, I've coded a bunch of if-thens that run each time the user changes the selected rows (a line for each text box that makes it enabled or not). There are then 40 if-thens with lots of code in each.
I am sure there is an easier way to accomplish my goal without using hundreds of lined-up text boxes.
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Jul 28, 2011
I have a ListView called lv with three columns. What's the quickest and easiest way to add items in it during runtime? I am using WPF.
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Apr 19, 2010
How would I add multiple items to a dynamic list without having to use the .Add method for each one?[code]...
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Jul 12, 2011
I am able to only move single items from one listbox to another with this code. I tried with both MultiSimple & MultiExtended SelectionMode.
How do I select multiple items and then move them?
Private Sub cmdAdd_Click(ByVal sender As System.Object,
ByVal e As System.EventArgs
[code]......
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