Gridview OnRowDataBound Loop Through Cells?

Jan 7, 2011

I'm using ASP.net 4. How do I loop and read the value of each cell in a row with the OnRowDataBound event?



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Loop Through Table Cells With JQuery And Send The Data To Database?

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What's the best method for looping through a table, grabbing all the data in the cells, but skipping the <th>? Do I put the data in an array?

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Web Forms :: Loop Through Calendar Cells To Find Checked Property Of Checkbox

Aug 10, 2010

I have a calendar control that has a checkbox control added to each cell on dayrender. A user will check the dates that they want to add an event for and click a button that will display the modaldialog box where the user will enter the event for the selected dates. I'm having trouble looping through the calendar dates to get the checkbox contol's checked property.

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Bind The Nested GridView With The OnRowDataBound Event Of The Outer GridView

Jul 16, 2009

I'm working on a nested GridView trying to bind the nested GridView with the OnRowDataBound event of the outer GridView.

The function called is:

protected void GridView01_RowDataBound (object sender, GridViewRowEventArgs e)
{
}

I'm trying to view the event arguments, but haven't figured it out. How do I find the value being passed as e?

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GridView Doesn't Contain Control Added In OnRowDataBound?

Nov 9, 2010

I can't get control which I added in DataGrid. I am adding it in OnRowDataBound event like:

protected void RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowState == DataControlRowState.Edit || e.Row.RowState == (DataControlRowState.Alternate | DataControlRowState.Edit))

//int cindex = 0;
//for (cindex = 0; cindex < e.Row.Controls.Count; cindex++)
foreach (Control ctl in e.Row.Controls)
{
DataControlFieldCell dcctl = (DataControlFieldCell)ctl;
TableCell tcell = (TableCell)dcctl;
Label lblComment = new Label();
TextBox txtComment = new TextBox();
lblComment.Text = "<br>Comment: ";
dcctl.Controls.Add(lblComment);
dcctl.Controls.Add(txtComment);
//tcell.Controls.Add(lblComment);
//tcell.Controls.Add(txtComment);
//e.Row.Cells[cindex].Controls.Add(lblComment);
//e.Row.Cells[cindex].Controls.Add(txtComment);

What is happening here: there is already exist one TextBox in TableCell by default and I want to add another one TextBox and Label. After the bounding I can see 2 textboxes, I can input data into the both, but when I click Update button, then raises OnRowUpdating event where I can't get my TextBox!

protected void RowUpdating(object sender, GridViewUpdateEventArgs e)
{
grdView.EditIndex = -1;
int counter = 0;
for (counter = 0; counter < grdView.Rows[e.RowIndex].Cells.Count; counter++)
{
foreach (Control ctl in grdView.Rows[e.RowIndex].Cells[counter].Controls)
{

And here I will be getting only default one TextBox (with its value). But my TextBox is disappeared! :(

P.S. I can't use predifined columns, like asp:TemplateField in aspx file, because my table has different amount of rows every time. It is dynamic

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Forms Data Controls :: Checking Checkbox In Gridview OnRowDataBound Method?

Nov 20, 2009

I'm trying to set a checkbox within a gridview to checked/unchecked based on the results of a stored procedure. I had some trouble simply binding the field to the checkbox because it returns "0" or "1" as a string, not boolean. Now I am trying to check the results in the onRowDataBound method, but there's still a problem...I believe what it's doing is, say I have 3 checkboxes listed in the gridview, my code is checking/unchecking all 3 based on the last row returned...not sure if that makes sense, but for example, my stored proc returns 3 testnames as well as "1" or "0" as HasTest, representing whether or not the userid passed into the sp has access to that test...so if userid 1 has access to test1 and test2 but not test3, my procedure returns the following.

Test1 "1"
Test2 "1"
Test3 "0"

I want my checkboxes checked accordingly....checked, checked, unchecked, but they are all being set by the result of test3.

protected void gvTests_OnRowDataBound(object sender, GridViewRowEventArgs e)
{
String str = string.Empty;
DataView dvSql = (DataView)SqlDataSource1.Select(DataSourceSelectArguments.Empty);
if (e.Row.RowType == DataControlRowType.DataRow)
{
foreach (DataRowView drvSql in dvSql)
{
str = drvSql["HasTest"].ToString();
CheckBox chk = new CheckBox();
chk = (CheckBox)e.Row.FindControl("chkTest");
chk.Checked = str == "0" ? false : true;
}
}
}

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Forms Data Controls :: OnRowDataBound Or Custom Protected Method GridView Databind?

Jan 6, 2010

In a GridView control ASP.NET

OnRowDataBound="gvTest_OnRowDataBound" followed by
protected void gvTest_OnRowDataBound(....){}

OR

Text='<%# BindMyData(DataBinder.Eval(Container,"DataItem.Price"), DataBinder.Eval(Container,"DataItem.CurrencyID")) %>'

followed by

protected string BindMyData(object price, object currencyID)
{...}

Which one is best in terms of performance and coding best practice?

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Forms Data Controls :: Keeping Custom Properties In GridView Added On OnRowDataBound Event While Sorting

Sep 14, 2010

All of my columns are bound in the Gridview. On OnRowDataBound event, I am adding some custom styles like underlines and colors to the text of the columns. Sorting of data is working fine but I am losing my custom styles when I sort. I am using the generic sorting code for the GridView.

How I can keep my custom styles on sorting that I added during OnRowDataBound event.

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Forms Data Controls :: Combining OnRowDataBound And OnRowCommand Events Causes OnRowCommand Not To Fire For GridView?

Jul 1, 2010

I'm using a standard GridView control inside of a web form. The web form uses a master page. The application is running within sharepoint (wss 3.0) environment. When i attach both the OnRowCommand and OnRowDatabound events to the gridview as shown in the markup below, only the OnRowDataBound event fires. The OnRowCommand never gets hit. When i press a button on a row, it posts back but never hits the onRowCommand event and simply falls through and repaints the page . However if i remove the OnRowDataBound event, the OnRowCommand event starts to fires correctly. I've tried a number of things...1. Hooking up the events in code instead of markup. (inside of PageLoad or PageInit)2. Changing the order in which the events are attached.

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Add The Gridview Cells Using Vb.net ?

Jan 26, 2011

My Gridview has following Fields

ID Product Price ($)
1 Pencil 1
2 Pen 1
3 Rubber 2

I want to calculate the total price of price fields in Gridview Footer ...ie..

Total Price = 4

How to do it using VB.NET ?

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C# - Set Variables To Gridview Cells?

Mar 17, 2011

I'm relatively new to ASP, so this may be a simple fix that I am just not figuring out (here's hoping!). I am working in VisualStudio2010 using C#.

Basically, I have a table in SQL with the following columns: Product, ProductGroup, Attribute1Value, Attribute2Value, Attribute3Value

For each ProductGroup, the Attribute definition is different. For instance, in ProductGroup1, Attribute1 is Size and Attribute1Value might be 2,3,5, etc. In ProductGroup2, Attribute1 is Quality and the Attribute1Values would be Standard, Economy, Premium, etc.

I will only ever pull in one Product Group at a time and would like to have my column headers reflect the Attribute definition (Header= Size rather than Attribute1Value when applicable".

What I would like to do is pull in a gridview that is invisible with the columns ProductGroup, Attribute1, Attribute2, Attribute3 and then assign the values within the column to be variables that I can use to reassign my column headers. I have been able to set column headers based on other variables (specifically the selected value from a dropdown), but am having trouble with the code to set variables equal to gridview values.

When I tried

protected void Page_Load(object sender, EventArgs e)
{
lblAttribute1.Text = GridView4.Rows[0].Cells[2].Text;
}
protected void RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)
{
e.Row.Cells[3].Text = lblAttribute1.Text;
}
}

I got the error message that my index was out of range. I thought at first that this may be because my Gridviews have no rows upon page load, only after a few selections from DropDowns, but I don't know if they are at all related. Is there a better way to do this in general?

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Feb 23, 2010

I am working with gridview in my application. I want to get values of a particular cell in my rowcommand event on the click of a link button in a button field. Following is my code from aspx:

[Code]....

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Aug 31, 2010

how can i access the controls in a gridview cells in which i use for inline edit? In the gridview, there would be two controls in a cell, which is a label and a textbox. When user navigate around the gridview, next cell would turns textbox become visible and label become invisible. How can i enhance the code below. I'm not familiar with javascript,

function NavigateCell() {
if (event.keyCode == 37) { //to the left
if (currentCellReference.previousSibling.cellIndex != 0) {
currentCellReference.style.borderWidth = 1;
[code]...

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Jan 3, 2011

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In gridview i have 3 colums and which are textboxes and i need to calculate the sum of all the values entered in textboxes for each column using javascript. so plz hel me how to read each cell value of gridview using javascript.

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Accessing Cells In Gridview And DetailView?

Nov 23, 2009

(using Visual basic - Visual Web developer 2008 express)

1)I have a gridview bound to an sql database that displays the data fine. However, I need to programatically access the cells.

"mygridview.rows(1).cells(1).text" should let me at the data, but the debugger says cells(1) is out of range (there should be cells(0) to cells(12), as there are 13 fields coming over from the database). Even cell(0) is empty. Where the heck are the fields stored if not in cells 1 to 12? And how do I access them. It doesn't matter when I try to access the data (onrowcreated, onrowdatabound, even pageloaded) the data isn't found. "Autogenerate columns" is set to false, because I am using <columns>,< templatefield>,< template> to display the data.

2) similar problem in mydetailsview. Am I right in thinking that a detailsview has just 1 row? So all the data should be found again in "MyDetailsView.Rows(0).Cell(0 through to 12).Text. But it isn't - cell(1) is out of range and cell(0) empty.

(I've been on it for three days now and starting to lose grip on my sanity)

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VS 2005 - Gridview Is Very Slow On The Cells Change Event?

Jun 11, 2009

i have a Ultrawebgrid i n my page and i display Data in this Way

[Code]....

Now when my user is selecting the Staff, this page becomes very Slow.

approach and the Bottleneck in my code.

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Nov 16, 2010

CellPadding only applies the padding to the header row. CssClass in Gridview, RowStyle or EditRowStyle has no effect.

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May 4, 2010

i have a gridview in my website and i want to merge two cell of that in same column but in different row , for example i have a data about tours in an agency , now i define a tour that has two hotel with difference grade , i want tow show my grid view in this manner :

tour a
hotel a1
100 $
2010 / 5 / 5
hotel a2
200 $

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Oct 22, 2009

I am using the gridview for row updating in that for the where condintion iam the value from the first cell of the gridview. I dont know how to the value of the first to my argument .

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Feb 12, 2010

I have a gridview where I placed several item templates with text boxes in them. I want to enter a number in the text boxes and have the total displayed in the footer.

The last footer template is where I want to display the total. I've placed a label there.

Here's my Gridview

[Code]....

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Nov 30, 2010

I have a Gridview with one column (news title).

i wan to when user click this cells go to another page to show full news.(i know how to use querystring
)

THEN:

How can i change this cells(i think DATABOUND) to hyperlink

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C# - Cells In Gridview Lose Controls On RowUpdating Event?

Jan 6, 2010

I'm using a GridView to display some columns and rows that reside in a database. This works excellent. Because i wanted to add columns dynamically out of a List of names. Let's say we have a list with 5 names in it, then it dynamically creates a column for every name in the GridView.

Here's some code to display what i do:

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
//Create columns for each student
List<Student> allStudents = new Eetlijst.Business.Students().GetAll();
allStudents.Reverse();.......

How do i create the dynamic columns for each row? I create them with a DataBound event. So when the GridView databinds, the columns get filled with data. There is also a check inside to see if the row is in edit mode or not. So when i click on the edit button next to the row, the row goes perfectly in edit mode. The code i made adds a TextBox control to the cell.

When i fill in a value and press the Update button, it can't find any controls anymore and therefore i can't get the value i entered. The control is still there in the DataBound when i put a break point after it. But as soon as i click the Update button, all the controls of the cells are gone.

I searched on the internet and all i found is that it has something to do with the application firing a postback before it reaches the RowUpdating method.

So, how can i let the controls exist that i added to the cell when it is in edit mode?

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Nov 10, 2010

Can one use the findcontrol to access the row.cells value? (C#)

[code]

[Code]....

[/code]

I though that this would work, but alas no.

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Forms Data Controls :: Detect Last Row In 'onrowdatabound'?

Jun 15, 2010

I've got a problem with my onrowdatabound function. The situation is like this:

protected
void gvSQL_RowDataBound(Object sender,
GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
switch (Session["Filter"].ToString())
{
case "NonZero":
if (e.Row.Cells[9].Text == "0")
{
e.Row.Visible = false;
}
break;
}
}
}

At the end I need to kill the Session, so my plan is to detect if it reaches the last row. Then I can kill it. Does anyone know how to do this? Or is there someone that knows a better to fix this?

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Forms Data Controls :: Merge Like Cells In Column In Gridview

Mar 18, 2010

I'm working on a project in vb.net framework 2.0 and have a column that has server names. I have the accessdb sql setup to order by the db, what I would like to do is to have it look like the following picture below. I'm pretty stumped on how to do it as the methods I've found online haven't worked so well. Also just a small tid-bit the gridview is bound to a ddl which selects the application and the gridview refreshes with server data. Country would be server name and state would be the environment.

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Forms Data Controls :: How To Merge Gridview Columns (cells)

Nov 5, 2010

How to merge gridview columns in a grid when the items in the grid are duplicate. i mean in one row four columns are there i need to merge the columns which are repeating

eg: Mango Mango Mango Apple

i want like: Mango Apple

i the columns mango is getting repeated i need to merge it into one

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Forms Data Controls :: How To Change The Formatting Of The Cells In The Second Gridview

Jan 26, 2010

specially VB code behind pages.I am writing an app with a colleague and I am stuck on something.he app is a holiday booking calendar. I have a gridview that shows the total number of days booked for each month of the year. When you click the cell for say January another gridview is populated below showing each day of january.My problem is that I want to change the formatting of the cells in the second gridview depending upon if any of the cells have a 1 or a 0.

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Forms Data Controls :: How To Retrieve Value From Empty Gridview Cells

May 26, 2010

When retrieving values from Gridview empty cells, you will get " " instead of a empty string or null.

Someone once change the columne's properties as following, but it doesn't work

ConvertEmptyString > true
HtmlEncode > false
HtmlEncodeFormatString >false

One solution is to check if the cell value is " ". If so, assign it an empty string. But this approach looks awkward.

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