C# - Empty Row Last Row Of Data In Gridview After Binding From XML?
Oct 25, 2011
I am trying to bind XML data into a gridview, after clicking the 'ButtonSaveToDataBase' button, the method will begin to read data from my gridview and load it into an array of my serializable class type and after that serialize it and finally store it into a XML type field in my SQL. The problem is When I call BindData() at the end of the serialization, it reads the XML from my database and successfully binded it but my gridview displays an empty row below my datas like this:
[Code]...
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Mar 1, 2012
I've searched everywhere for some example code for this, but I can't figure out how to bind data returned from a function that looks like this to a gridview or dataset.
Public Function GetCompanyList() As IEnumerable(Of BusinessUser)
Return (From companyList In CorporateLists
Select companyList.User).Distinct()
[code].....
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Apr 26, 2010
How I can show header/footer of Asp.Net Gridview with empty data source?
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Feb 23, 2012
I'm having trouble with a DropDownList within a GridView that posts a NULL value when in fact a value is selected from the list when using inline editing.
The problem is that I can't use this method to bind the value to the UpdateCommand in my SqlDataSource:
SelectedValue='<%# Bind("Value") %>'
The reason for this is because the value might not exist in the list so it throws an exception.
Is there a way I can bind the value to the UpdateCommand without using SelectedValue?
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Aug 4, 2011
I have a GridView on an ASP.NET page that I'm trying to bind to an object data source that I've set up to map to a vb object I made which accesses the DB. When I run the page, though, the gridview comes up empty.
The ObjectDataSource is definitely returning data. The paging parameters are making it to the underlying object. All the way until I get to the DataBind() call everything seems fine. But the grid comes up empty. Funny thing is, if I use the method that returns all records in the DB, the grid populates just fine. Only when I try to implement custom paging does display no records. I've tried using the wizards, I've tried diagrammatically setting it up and run time. No matter what I do I can't get paged data to display in the grid.
oDatasource = New ObjectDataSource()
oDatasource.EnablePaging = True
oDatasource.TypeName = "tblMessage"
oDatasource.SelectMethod = "GetTblMessageSubset"
[code]....
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Apr 2, 2012
I've got a grid view. I want it to say "you have nothing to show" if there are no details.
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
If GridView1.Rows.Count = 0 Then
[Code].....
However; it seems to be working backwards and showing the message when there is data to display in the gird view and continues to be a blank page when there is not data to display in the grid view.
I've tried a variety of combinations with the below IF statement below but no success.
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Jun 10, 2011
I want to bind a multidimensional array to gridview, but it display the following error when running "Gridview1.DataBind()"
"Array was not a one-dimensional array."
The following is my code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
CreateArray()
[Code].....
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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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May 2, 2009
i have three textboxes.After entering vales into the textbox the data should be displayed in gridview without going to the database.
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Aug 23, 2010
enlighten me about 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
[code].....
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Mar 9, 2011
I'm still trying to understand and use Use Cases and Test Driven Development, but having a hard time crossing the line. I'm hoping someone can provide a good example of how setting a datasource and/or databinding a gridview could be accomplished using Test Driven Development. Here is my pseudo approach at it.
[Code]...
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Apr 23, 2010
how to use the VS 2010 IDE tools in a way the Microsofties didn't specifically intend. But since this is something I immediately tried without success.
I have defined a .NET 4.0 WPF Application project with a simple class that looks like this:
Public Class Class1
Public Property One As String = "OneString"
Public Property Two As String = "TwoString"
[Code]....
The expected result was that "OneString" would appear next to "One" and "TwoString" next to "Two" in the running window.
The question is: Why didn't this work? What will work instead? If I put bindings in a DataTemplate, it works. Blend, with its sample data stuff, implied that this should work, but it doesn't.
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Jun 3, 2011
i hve create combobox & text box and add database source to my project...i know how to binding data or load data to combobox using SELECT query..but can i change SELECT to INSERT query cz i wont when i type data into textbox,data will be in database...second..can i binding without add database to project..i mean mydatabase in debug folder..i hve problem binding data if database is not in myproject..
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Apr 2, 2012
Data binding should be an extremely simple thing to manage but I can't find a SIMPLE solution to the following problem.
I have two forms
Form1 contains a 4x4 MSFlexGrid (unfortunately an unmanaged COM object but I can merge cells, which I can't do with a managed Datagrid)
Form2 contains other controls which change the data in the Flexgrid.
I connect the two with a Public 4x4 array. Form2 changes the data in this array. I can update the grid data by reading the array. But how do I bind the Grid to the array so that it auto-updates - which is the whole point of binding isn't it?
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Jul 31, 2010
I have a listbox in my form that gets its values from a data table by data binding. My question is, when the data (row) is loaded it also selects the first line automatically. I do not want this because I want the listbox to select an item only when the user clicks on it. Otherwise, the iteme should ony be listed. Is there a way to manage this?
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Oct 31, 2010
i want to binding excel data to a datagrid without no header, just the data.for example :my excel files consist of 3x3 matriks data in 3x3 excel cell like this
1 2 3
4 5 6
7 8 9
and i want to show all this data on data grid i have tried with some code like this
Dim MyCommand As System.Data.OleDb.OleDbDataAdapter
Dim ds As New DataSet
MyConnection = New System.Data.OleDb.OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0; " & _
[code]....
but the first row of that data ( 1 2 3 ) is not shown up in the datagrid, just the 2nd and the 3rd row that shown up in datagrid?
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Aug 14, 2009
I have a bit of code that reaches out and grabs a series of rows from SQL Server DB. I perform an inner join to get some related table data. In the process I get returned the user id of the creator of the data. I then want to pass this into a query to get back a full name. I am having no luck figuring out how to do just that. If I use the data visualizer I can see the name I am after, I cannot figure out the call to extract it
Bindingsource1.DataSource = GetData("Select * From PURCHASE_ORDERS WHERE PURCHASE_ORDER_NUMBER =" & REQ_NUM.Text)
.DataSource = Bindingsource1
[code].....
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Nov 15, 2009
I'm looking for a line or two of code that will bind a DataSet.Datatable column to a textbox on a Datarepeater?
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Apr 6, 2011
I am creating a project in VB.NET in which one of the reports require that the name of employees should be displayed as column names and whatever work they have done for a stated period should appear in rows below that particular column.Now as it is clear, the columns will have to be added at runtime. Am using an ODBC Data source to populate the grid. Also since a loop will have to be done to find out the work done by employees individually, so the number of rows under one column might be less or more than the rows in the next column.Is there a way to create an empty data table and then update its contents based on columns and not add data based on addition of new rows.
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Apr 11, 2011
i want 2 select data from data gridview and want retrive that data into another form in to the textbox ...is it possible ? i 'm doing like this for that
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.[code...]
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May 5, 2011
I have a Customer JSON object created which has value as below:[code]I need to get this data in the Handlers/CustomerHandler.ashx to do some DB operations.[code]
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Oct 13, 2010
Data retrieve successfully in the combo box. But first look on combobox is look empty until i click the side button of combo box. I want that combobox show first line of data without click the side button.
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May 2, 2011
I was doing cross-domain ajax calls from an HTML-only (no server programming) page, to a PHP backend on a different domain. I realized at one point that I couldn't do POST with cross-domain, so I figured I needed a local proxy. Unfortunately, PHP is not available on that domain so I have to resort to ASP.NET.So I built a very quick & dirty vb.net proxy... It works, except for one very important detail. If any of my form fields contain HTML, the data is not sent to PHP (or PHP doesn't receive it, I'm not sure). Actually, the $_POST variable exists, it's just empty all the time as soon as it contains what looks like html code, such as <p>. That same field, if it doesn't contain an HTML tag, will work fine and the data is passed on to the PHP page. [code]
Oh the PHP side, all I'm doing is $var = $_POST["htmldata"]; , and $var is always empty. I'd give an example of my PHP but I don't know that it's necerssary. $_POST["action"], for example, contains the correct action I'm expecting, so it's not the PHP code itself that's wrong.Well, if you encode the HTML so html entities are correctly passed on (not as <), it works!
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Dec 12, 2010
I have produced an Access database and a dataset linked to the database, and am working on a form in VB to enter data to this database. This form was produced by dragging the required fields from the data sources manager to automatically bind to the dataset.
I am attempting to use some radio buttons to allow users to select their gender on a form. I do not know how to take the results of selecting either radio button and upload the user's selection to the dataset, which would then be uploaded to the database.I also attempted to use a ListBox and ComboBox for some other fields, but they do not seem to work as they should, since when I attempted to press the handily provided "Save" button, I was provided with an error to the effect that the boxes appeared to be empty.
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Jun 21, 2010
I'm binding data table to datagrid but i'm not sure how to delete the empty cells in that data table
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Aug 19, 2009
I am using VB.net to create a simple winform. I have the option to save the data I input on that form. I am trying to prevent the user not to save the data if textbox10 is empty. I tried the 'while' loop but I go into an infinite loop. The code is below. The 'if' statement gives the error but allows the user to save.
While Len(Me.techniciansTextBox.Text) = 0
MessageBox.Show("Please Enter a Technician To continue")
End While
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Dec 29, 2009
i make this code to bind combobox and i insert the item to the combobox
With Me.CmbBxEmployeeName
.DataSource = GetAllEmployeeNameBindingSource
.DisplayMember = "Name"[code]....
but this error show ,Items collection cannot be modified when the DataSource property is set.
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Feb 4, 2011
I have developed a form for Windows VB.Net that uses a number of text boxes that are indidivually bound to separate columns in a database. When one of the textboxes (let's call it XYZ.Text) is bound to the database, it prevents the data from any of the other bound text boxes to enter the database. When the binding for this one text box (XYZ.Text) is removed, then all the other text boxes work fine.
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Nov 25, 2009
I'm trying to bind data to a combo box but it does not appear to be working. I've setup the DataSet and the DataSetBindingSource and all this appears to be working, within the form design I can expand the little arrow in the ComboBox control and preview the data. This appears to be working but when the application is run, nothing appears in the drop down box.
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Mar 9, 2010
I have a DataGridView that is bound to a BindingSource. Below this are a group of textboxes that are associated with each column in the DGV. I tried to bind the textboxes to the BindingSource but realized their was no DataSource property for the textboxes. How can I bind them?
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