VS 2008 Gridview Columns?

Jul 22, 2009

I've got a gridview with two buttons in it. I would like to determine which button has been pressed in my VB code. Is this possible? I've been able to determine which row number has been pressed, or what the value of the first element in the row is, but columns don't seem as easy.

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Manipulate A Gridview In Asp.net When Columns In Gridview Are Generated During Runtime

Sep 24, 2009

In my application,i have a gridview in which columns are created at runtime.Actually these columns are created when i am entering data in a database table.[code]where Column1,Column2,column3 may vary during runtime.i need to enter values to these columns during runtime.But i cant bind these columns because these are created during runtime.The first column "Description" will not change.It will remain constant.For each description, there will be values for each column.At last these data will be saved to the database.How to add columns in the gridview during runtime?

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Asp.net - Displaying Gridview With 3 Columns

Sep 1, 2011

I have a gallery which holds a large number of thumbnail images and I want to show 6 at a time.

I have this working using the code below, but I can not get the images to display as 2 rows of 3 - it shows as 6 rows of 1.

I can get the desired result by using a datalist but that stops the pageindex function from working.

I'm sure there's an easy solution but I can't figure it out.

<asp:GridView id="GridView1" runat="server" AutoGenerateColumns="False" AllowPaging="True" PageSize="6" onpageindexchanging="PageIndexChanged" PagerSettings-Mode="NextPrevious" PagerSettings-NextPageText="Next" PagerSettings-PreviousPageText="Previous">

[Code].....

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C# - Remove Columns In Gridview?

Sep 25, 2010

Remove columns in gridview?

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Label Columns In GridView?

Mar 7, 2010

an aspx page where a user can upload a file to the webserver, and then then webserver can bind the csv file to a grid view, and allow the user to mark what fields are what.here's my code to bind the csv file:

uploadFile = CType(Session.Item("uploadFile"), String)
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" _
& MapPath("~/upload/data/") & ";

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Add Three Columns At Design Time In Gridview?

Oct 27, 2009

I want to bind Grdiview with DB.I have a table Products with three columns.Suppose I add three columns at design time in gridview, If I run my following code First Three columns are blank & next three columns are bind with data.

Suppose I do not add any column in GridView & runs the foll. code,then the output is coming correct.

But i want that I add columns at design time

[Code]...

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Displaying Selective Columns In An Asp.net Gridview?

Oct 10, 2011

This is a follow up to my previous question: Filter DirectoryInfo files by date in asp.net

I have a gridview that is populating data from DirectoryInfo. However, I only want to display certain columns, and customize the column names and the hyperlink value in the row.

My code is:

Dim files As FileInfo() = New DirectoryInfo(strDirectoryPath).GetFiles().Where(Function(x) x.LastWriteTime >= (dtStartDate) AndAlso x.LastWriteTime <= (dtEndDate)).ToArray()

[Code]....

How can I loop through the columns, to display only "name", "extension" and LastWriteTime?

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GridView To DataTable / Skip Certain Columns

Jul 14, 2011

[code]How can I skip certain columns of the gridview? For example: Columns 1, 3 and 6.

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Set Visibility Of GridView Columns In Program?

Mar 27, 2009

Well i have a list of objects List<UserDC> now i would want to display this in some kind of grid so i tryed the GridView[code]...

this just gives me a exception ArgumentOutOfRangeException how do i make it generate the columns before it displays the list so i can filter out those that i dont want?

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Sum Up Specific Columns In Gridview Using Linq?

Mar 19, 2012

how to sum upan specific columns in gridview using linq? I can't find anything in Google regarding this topic.

I tried this but not exactly what I want to be the output.

Dim total = Aggregate rowItems In Gridview1.Rows _
Into Sum(Cdbl(rowItems("AMOUNT")))

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Asp.net - Sort Gridview Columns Ascending And Descending

Jul 25, 2011

I am trying to program my page in vb.net and asp.net so that when a user clicks on a column heading of a gridview, the data is sorted either in ascending or descending order. note that my data is coming from an SQL Server Express database. So far, I have done it so that the gridview can be sorted:

[Code]...

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Easy Way To Bind A Gridview With Dynamic Columns?

Aug 2, 2011

I have a variable defined as follows:Dim iRows As List(Of String())I've also been converting that to a list of lists just to make it easier to work with.Dim iRows As List(Of IList(Of String))I would like to bind that list to a GridView using the contents of the nested array/list to dynamically define the columns. I don't know ahead of time how many columns there will be, but I do know that they are all the same throughout the list.

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Fetch Few Columns In A Gridview From Dataset Table?

Sep 29, 2009

I am using dataset in my project.After filling all the tables in dataset,i want to perform join queries on tables.i dont know how to do that...Also i want to fetch few columns in a gridview from dataset table.I can't use ds.tables("student").select(name,roll)....

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Format GridView Auto-Generated Columns?

May 29, 2012

I am trying to format the width of my gridview columns dynamically for easy of use in editing and updating. Is it possible to have multiple column widths defined? Here is the code I am using to create the gridview...

protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)

[code].....

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Insert DataTable To Asp GridView That Contains Already Built Columns?

Oct 23, 2011

I need a way to insert DataTable to asp GridView that contains already built Columns with turning autoGenerateColumns to False I just need to connect some DataTable's Columns to specific columns in Grid and
change other stay as they are

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Lock Specific Columns In A Data Gridview?

Jun 12, 2009

How can i lock specific columns in a data gridview

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Convert GridView Table To Html Table But Rows Should Be Columns And Columns Should Be Rows

Aug 18, 2011

I have Dataset ds filled up with values Until now I was displaying values in GridView. Now I want that all the rows should be columns and columns should be rows.I have 2 options: Either 1 I can directly convert grid to columns and display it, or 2 I can convert the GridView to html and then write loops to convert. I was trying the 2nd option but I cant figure out how I should do that.[code]With this code I am still getting same as GridView. Please help me for converting rows to columns and vice versa.

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Asp.net - GridView SORTING Of DYNAMIC Columns And Data Source Scope

Aug 5, 2011

I re-wrote this to make it more readable. If you want to skip right to the chase, look at the ALL CAPS comments in the code blocks. All necessary code has been included for debugging. I've searched multiple forums (including ASP.NET), and the MSDN library and cannot fix this >.<

[Code]....

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GridView SORTING Of DYNAMIC Columns And Data Source Scope?

Jul 9, 2011

GridView SORTING of DYNAMIC Columns and Data Source Scope

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Asp.net - Change The Font Color Gridview Row Based On A Columns Value - Can't Index Gridviewrow?

Feb 1, 2011

i am getting a syntax error at drr(5) which 5 is the column i want to base the color change on. this method works when i am using a dataset

Dim Land As String = "Land"
Dim Air As String = "Air"
Dim Cruise As String = "Cruise"

[Code].....

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Update Existing GridView column As Opposed To Adding new Columns / Just Before A DataBind

Sep 11, 2009

Please can you translate the above line of C# into VB.NET?At runtime, I'm trying to update an existing GridView column, as opposed to adding new columns, just before a DataBind()

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Asp.net - Set Width Of Gridview Columns Dynamically When AutoGenerateColumns="true"

Dec 16, 2011

setting the width of the gridview when i used the property AutoGenerateColumns to AutoGenerateColumns="true". And the gridview is databind in code behind. If i am using gridview1.columns(0).width it raise error.

And the GridView1.Columns.Count is always zero because the grid view is databind.

In .aspx: -
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="true">
</asp:GridView>

[Code].....

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Way To Make The Band In The DevExpress Banded GridView Be Invisible If All The Columns Are Also Invisible?

Jan 6, 2012

I am currently using a DevExpress (10.2) Banded GridView within my Visual Studio 2010 project. It works great except I was have an area where I allow the user to choose which columns they want visible or invisible. I noticed that if I make all the columns within a band invisible the band still remains and gives an empty column in my grid. I was wondering if there is some way to automatically

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DataGridView, Set Up Columns, Populate Data Table, Bind, But Not Using Columns Created In Code?

Oct 26, 2011

I'm using VB.net 2005. I have working programs that I populate DataGridViews with something like the following:

[Code]...

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Add/subtract/divide/multiply Certain Columns And Place The Information Into Other Columns?

Nov 30, 2010

My goal is to connect to my database either manually or using an sqladapater, and get information from two of my databases on sql server 2005. Then I want to take this information and on run-time begin to add/subtract/divide/multiply certain columns and place the information into other columns. I can do this in queries, however, I want to do it on run-time what is the best way to achieve this.I had some of this working, but I just want to start fresh and see how you would go about doing this.

[Code]...

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.net - Aggregate The Columns To Group On The Period And Sum The Count Columns?

Jun 29, 2011

I have the below Linq query that is returning the data but I need to aggregate the columns to group on the Period and Sum the Count columns. How do I go about doing this?

LINQ
from t In tblTimes
join h In tblEngineeringDashboard_CADMachinesCounts on t.ID Equals h.TimeID
Order By t.Period

[code].....

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Adding Columns And Modifying Columns In Access Database Using NET/SQL?

Oct 15, 2009

I am using the following code to alter an table imported from an Excel spreadsheet

Dim SQL As String = "ALTER TABLE receipts ADD payee integer, account integer, category integer, reconciled boolean"
Dim dataread As New OleDb.OleDbCommand()
dataread.Connection = Connection1

[code]....

Both ExecuteNonQuery() actions yields the exception message {"Syntax error in field definition."}The error message does not happen with the first if the boolean column is not there (I tried Tes/No as a definition - but that also failed.The second query to modify the ID column from autonumber to integer I assume fails because it is a Primary KeyHas?

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Organize Columns - One Table Which Have Tree Columns (ID, Number, Name)

May 23, 2011

Imagine the following scene: I have one table which have tree columns (ID, Number, Name).

A Select query result on this:

code:

Now, the user deletes the Number 3 and 4. So, now the Select query is going to be:

code:

And I want to have:

code:

How can I organize the column?

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Asp.net - Averaging Columns In A Table - Ignoring Certain Columns

Feb 21, 2011

I've the following code which successfully makes an average for all the columns from a table. What I need to do though is ignore certain columns in this equation.

Dim totalNumber as Double = 0
Dim count as Integer = 0
For x = 0 To xyz123.Tables(0).Columns.Count - 1

[Code]....

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Averaging Columns In A Table - Ignoring Certain Columns?

Feb 28, 2010

Averaging columns in a table - ignoring certain columns

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