Forms Data Controls :: How To Get Values Of Gridview Cells Which Are Not Visible
Mar 2, 2010
I am able to get the values of GridView cells when the columns are not visible.
For Example:
<asp:BoundField DataField="TemplateKey" Visible="false"/>
foreach (GridViewRow gvrow in GridView1.Rows)
{
gvrow.Cells[0].Text.ToString()
}
But if I make the BiundFiled Visible="true" then I get the value in the code behind.
I do not want to show this value to the user and also want to get the value in the code behind. How can I do that?
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Similar Messages:
Jan 10, 2010
I have a gridview that serves as a confirmation for user input in a previous form from a previous page. The grid is databound to a temporary table where I store the user's initial selections. The user can confirm what they had submitted, (which may be more than one row of information, up to three classes) or go back and change. When they hit the confirm button, I loop through the gridview and enter a row in a permanent database for each row in the gridview. This works great.
However, I don't want the gridview to display all of the columns that are actually in the temp database, because I'm carrying over 'usersubmitted, datesubmitted', etc, from the previous page for each class selected and this is redundant. (I do need to use all of the columns when they submit, however, to make a new row with complete information for each selected class in the permanent database) So, when I set the usersubmitted column visible false, for example, in the gridview, the dataset table adapter insert function fails with a data type mismatch error. I'm assuming becuase the column has to be visible, becuase when I make it visible again it works.
Can you loop through a gridview and call on cells in columns that are not visible?
The first page is like this:
the user fills out his info once in text boxes
name ____
address____
then selects up to three classes in dropdowns:
class one dropdown ...
class two dropdown....
for each dropdown, I insert name, address, class selected into a temp db Second page.
Gridview should display only classes selected, one row for each, and not
name address class selected
name address class selected
then when they submit, I insert
name address class selected
name address class selected
one row for each in permanant database
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Apr 3, 2013
i am using a gridview in my web page,i used to bind the database records to the gridview..my columns are name,empid,company name,pl leave,sl leave,total leave taken here total leave taken is not a database fields,in the page i want to fill the records once loaded pl leave and sl leave is added and display in the total leave taken column..it working properly when all pl ans sl columns fill with numbers,if some pl and sl leave having blank values.it showing an error like input sting was not in correct format..this is my code
<Columns>
<asp:BoundField DataField="slno" HeaderText="SerialNo"
SortExpression="slno" />
<asp:BoundField DataField="ecode" HeaderText="Employee Code"
SortExpression="empcode" />
<asp:BoundField DataField="ename" HeaderText="Employee Name"
[code]....
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Nov 23, 2010
I have a gridview in a page, and some Texboxes along with a button(for issuing a command) in the same page. The TextBoxs were inputted values and the values could be assigned to the selected row of the gridview, some fields are the same values along the rows, and the values are inputted in the TextBoxes for using several times without change.
Well, I need to know: how can I assign the values of the TextBoxes to the selected row of the gridview. in another words, how can I access the cell members of the gridview when it is in edit mode? (Q1)
If the row is not selected, I have no way to know which row should be assigned values, since there is no such things like "current row".
So, if the selecting button(or link) of the gridview is not selected, the button along with the TextBoxes should keep disabled, until a row's "Edit" button is clicked. (Q2: How can I find if the Edit button is clicked? I guess I can use the property "mode" of the gridview to indicate the situation. )
And the last question is (Q3), how can I ensure the values are updated to the database? Maybe I dont need to do more things than just click the uppdate button of the row of the gridview.
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Oct 7, 2010
I am having an issue with hidden cells when a PageIndexChanging event is fired in a gridview.
On the page_load I am setting the visibility of an edit button in a cell of a gridview to true or false depending on a users credentials.
Everything works as intended when the page is first loaded. When I click to a different page index the edit button is visible in all cells when it shouldn't be. The edit button is then visible in all cells even if I navigate back to the first page.
Here is the pageindexchanging event:
protected void GridView_EmployeeList_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView_EmployeeList.PageIndex = e.NewPageIndex;
GridView_EmployeeList.DataBind();
}
Here is some code from the page_load:
protected void Page_Load(object sender, EventArgs e)
{
foreach (GridViewRow row in GridView_EmployeeList.Rows)
{
If(row.Cells[1] == "Manager")
{
row.Cells[13].Visible = true;
}
else
{
row.Cells[13].Visible = false;
}
}
}
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Jun 24, 2010
Whenever you turn off the visibility of a column in Gridview, on Edit, the value becomes null because its never bound. The only way I know of stopping this behavoir is to put it in the DataKeyName list. Is there any other way to prevent this? I have quite a few columns that will not be displayed in this "release" but I want there for future extensibility. Also, in some cases these values will be used for calculations but the user should not see them. Is there no toggle property for "non-visible" items to remain "unchanged" or something of the sort?
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May 7, 2015
I want to get Row Fields in Gridview on Checkbox Change inside gridview.I have checkbox column in grid, i want to get row details in msgbox as i select checkbox. On selected index change of checkbox inside ridview.Everytime i select checkbox, it gives msgbox for row details.
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Jun 28, 2010
During rowdatabound event I am getting values for rowcount in debug mode but I am not getting values for the cells of the grid. But After rendering I am getting values for the grid in the browser. I am not using codebehind for databind() to the grid. Here is the code.
<asp:SqlDataSource ID="SqlDataSourceView" runat="server"
ConnectionString="<%$ ConnectionStrings:HariTechDBConnectionString %>"
electCommand="SELECT DISTINCT [JobTitle], [JobDescription] ,[JobId]FROM [ManageJob] WHERE ([InactiveDate] <= SYSDATETIME())">
[code]...
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May 20, 2010
I have a gridview that is bound to a SQL datasource and is filtered via FilterExpression,
the FilterExpressoin is using Contro Parameters in a for of textboxes.
I want a certain button to become visible (btnInsert.Visible=true) when the filterExpression returns no results.
what event should I use? what is the code for that?
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Mar 18, 2010
I've created a gridview having an Id column whose visible property is set to false, because I don't want users to see that column. Now when user clicks on the edit button in a particular row I want to fetch the id of the cell in the Id column of that particular row. So, for that purpose I used -
void GridView_RowEditing(object sender, GridViewEditEventArgs e)
{
string Id = GridView.Rows[e.NewEditIndex].Cells[0].Text;
}
In the above code, Cells 0th index is the column index whose visible property is kept false. Now the problem I face here is that if the columns visible property is true then I can easily fetch the contents of that particular cell with the above code. But, in invisible mode I get only "" value i.e. I don't get the text or the content of that cell. Why does it happen? I don't face this problem with DataGrid Control used with 1.0 and 1.1 version. And how to resolve it or in this case is there another way of fetching the content of the invisible cell?
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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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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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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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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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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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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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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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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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Mar 8, 2011
we're creating a GridView to display news articles programmatically (not using a SQL database).
We can create & display the GridView, but are having a devil of the time to get the hyperlinks in SetupGrid() attached to the titles
of the articles in the GridView. Below is our .aspx code and .vb code of how we create the GridView. Any ideas on what we should do to get the hyperlinks array of strHyperlinks() in SetupGrid() to be applied to the titles in column 1 of the GridView?
[Code]....
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Aug 31, 2010
I have a GridView in my page :
[Code]....
But always temp string is empty!
What's wrong with it?
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Apr 9, 2010
I have a gridview that has both a select and an update statement. One of the cells is a date cell, and the other is for numerics only. Is there a way I can do this? At the moment, anything can be keyed into the cells and this results in an error as my update stored procedure expects a date value and a numeric value respectively.
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Dec 1, 2010
How can change some cells in gridview that have some condition?
For example:
IF name=="x" column[2].background="red"
(only column for this name)
EXPLAINE :
my GRidview show houses,and i want to when it is for sale the clolum (sell price) background will be another color,and also for rent.
ask 2: I should use the code in RoewCreated event or OnRowDataBound ?
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Apr 9, 2010
I have a GridView known as GV_R001 with IssueType, ActID, IssueID cells. I want to Merge the similar IssueType cell accordingly. How do i merge and also sort the IssueType cell accordingly. The following is my codes:
Protected Sub GV_R001_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles GV_R001.DataBound
For rowIndex As Integer = GV_R001.Rows.Count - 2 To 0 Step -1
Dim gvRow As GridViewRow = GV_R001.Rows(rowIndex)
Dim gvPreviousRow As GridViewRow = GV_R001.Rows(rowIndex + 1)
Dim cellCount As Integer = 0
If gvRow.Cells(cellCount).Text = gvPreviousRow.Cells(cellCount).Text Then
If gvPreviousRow.Cells(cellCount).RowSpan < 2 Then
gvRow.Cells(cellCount).RowSpan = 2
Else
gvRow.Cells(cellCount).RowSpan = gvPreviousRow.Cells(cellCount).RowSpan + 1
End If
gvPreviousRow.Cells(cellCount).Visible = False
End If
Next
End Sub
Apart from that, after sorting i want to calculate the amount of IssueID are in a particular IssueType and display in a cell called "Total". Is it possible to do so? By the way, I am using Web Developer 2008, VB.net.
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