Forms Data Controls :: Check Value Of Gridview Then Make Decision On Value?
Jan 20, 2011
I have been searching the net for four hours now and am coming up empty.What I am trying to do is to check and see if a value exsits in a column of a gridview and if it does not then do something. Basically I have a gridview that gets populated when a value in a dropdownlist is selected. This works fine. I get the information for the gridview by binding it to a SQLDataSource that returns two columns in a table from my SQL Server. The gridview only has two columns and one row as I am checking it from the dropdownlist. The second boundfield column is called Manufacturing Fee and it is a Money Type in SQL Server. I want to check if there is any value or if it ISNULL. If it is NULL or empty or less than 1 (any if these will work) then I am going to hide a button on the page so the user cannot do anything until this value gets assigned. (I know how to create this logic).I do not know how to get a value from the GridView as I am not selecting anything so I cannot use the SelectedIndexChange event or ONClick event.
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Similar Messages:
Jan 18, 2010
I have column in the database it's type is bit ,so I bind it to checkbox the problem is I want to make this checkbox update this column in the database I tried to insert command field in the gridview(update one) and convert it to tepelete and delete the button and insert checkbox insted but it not fire the gridview_rowUPdating function so how can I do it.
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Jan 11, 2011
i have agridView that i fill its contents in thr runtime and i need to make a check box infront of each row.
i tried to make acheckbox field but it didn't appear in the grid.
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Nov 12, 2010
i have a UP and DOWN buttons ouside a gridview and a checkbox inside the templated field .I will check the checkbox to sleect a row , after that if i click on UP button the checkbox above the selected checkbox should be selected.
same with when i click on DOWN button the checkbox below the selected checkbox should be selected.
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Jan 6, 2010
I have a grid view with two columns...one column has a no. like (123) and a check box....which user can checked or unchecked......all I need to do is that I need to disable the man handling of that check box......rather I would like to see a seperate grid view with the same no. of rows as of the first and in this gridview I may allow to type in or scan the no. and if this scanned or typed number matches any no. in the first gridview number then the corresponding check box should be checked/unchecked.
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Feb 23, 2010
im reading checkbox value which is checked on my gridview but as per my code is missing the 1st one which on top but i select from the middle then it is working fine here is link for gridviewhelper classes [URL] and im calling this code from gridviewhelper classes on page load event
Dim helper As New GridViewHelper(Me.GridView2)
helper.RegisterGroup("heading", True, True)
AddHandler helper.GroupHeader, AddressOf helper_GroupHeader
and here is my code
Dim sc As New StringCollection()
Dim id As String = String.Empty
For i As Integer = 0 To GridView2.Rows.Count - 1
'loop the GridView Rows
Dim cb As CheckBox = DirectCast(GridView2.Rows(i).Cells(2).FindControl("CheckBox2"), CheckBox)
'find the CheckBox
If cb IsNot Nothing Then
If cb.Checked Then
id = GridView2.Rows(i).Cells(1).Text
sc.Add(id)
MsgBox(id)
End If
End If
Next
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Nov 16, 2010
I have a gridview that returns several records for the same user and each record has a column with a check box. I need to allow the user to choose only one to check. Also one check box is always supposed to be checked. What is the best way to do it? I was thinking of writing a stored procedure that checks if only one is checked, and then returns true or false. I think there is a more efficient way to do it...
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Jan 24, 2011
I have a GridView and check box in one of the columns.what i need to do is, if the checkbox is checked i need to replace it with a Tick Mark image instead of checkbox, otherwise leave the column blank.
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Dec 9, 2010
I have a page with a simple textbox, when an OrderNo is entered in te textbox the page is populated with 2 or 3 gridviews depending if the order has items reserved or on back order.
GridView1 has data about the order, like status, payment details.
GridView2 has data about orderitems, each row displays an item from the order with stock and order quantities
GridView3 has data about backorders, each row displays an item from the order with quantity reserved and quantity on back order. As is no data for GridView3 if order is not on backorder I thought that I can enclose my code inside an if block
if GridView3 isnot nothing then
'getting some data from the cells in GridView3
endif
but the code still executes.
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Oct 5, 2010
Documentation for using a checkbox with a gridview has the following statement:Because a check box can display only a selected or an unselected state, a CheckBoxField object can be bound only to a field with a Boolean data type or a string that can be parsed byParse.No example has yet been found to explain how using Parse to control the value of theis done. Interestingly enough I can find a fine example for the unlikely scenario of embedding a bulleted list in a grid cell.
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Apr 7, 2010
I have loaded up a gridview object with data. I have turned on Edit on the grid. It lets me edit the data, but I also want to put some code to check for correct data in each field. I tried to assign a requiredfieldvalitor, comparevaliditor but they don't work. Is there an event I can capture to fire up some code before the grid sves my data?
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Jun 7, 2010
I have a column of type bit, I want to display checkboxes on bases of values 1 and 0. So that in edit mode if i unchecked the box then the database should contain the value 0.
[Code]....
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Mar 10, 2011
i have a asp gridview contains linkbutton , i get the values in forloop , but how can i check which linkbutton i was click
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Mar 17, 2011
I got a GridView and 2 columns have a radiobutton in each, named rbStatus.
1 coulmn header name Aired and other column named "Missed".
They are not databound.
How do I check the radio button in code behind?
Or should I make it databound?
The field to be displayed in the column "Aired" is boolean type.
If the "Aired" is not checked, I need to set the "Missed" checked.
[Code]....
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May 20, 2010
I wrote simple program in that i have one gridview in that i added one template field Checkbox controll.
this is my gridview1
<asp:GridView ID="GridView1" runat="server" Width="100%" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" AllowPaging="True" OnPageIndexChanging="GridView1_PageIndexChanging"
PageSize="20">
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
<Columns>
<asp:TemplateField >
<ItemTemplate>
<asp:CheckBox runat="server" Text='<%# DataBinder.Eval( Container.DataItem, "Title") %>' ID="chk1" />
</ItemTemplate>
</asp:TemplateField>
<%-- <asp:BoundField DataField="Title" HeaderText="Title" />--%>
<asp:BoundField DataField="Creation_Date" HeaderText="Creation Date" />
</Columns>
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#999999" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
</asp:GridView>
i have one button control in that click event i write some code like this
protected void btndelete_Click(object sender, EventArgs e)
{
CheckBox chk;
for (int i = 0; i < GridView1.Rows.Count; i++)
{
CheckBox cb = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("chk1");
if (cb.Checked)
{
Response.Write("checked");
}
}
}
but when i run this code that check box return vlues every time false when i clicked the checkbox.
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Aug 22, 2010
I have a check box in a template field in a gridview.
Based on some condition, I want those check boxs to be enable and disable.
I am trying the below code but does working..
[Code]....
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Apr 13, 2010
I have a GridView with a checkbox for the user to select different categories. I am trying to retrieve the CategoryID associated with each row when the user clicks next, however I keep getting an error that tells me the selected index cannot be negative or out of range.
Here is my function
[Code]....
How do I retrieve the CategoryID of the row as an Integer value?
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Feb 5, 2010
I have detailed view and a grid view, the DetailedView does the inserting into the Grid view. On my table( Ussing SQL Server), i have a username and year and allocation. What do i do so that when an allocation is given to a user for a year that already exit, it refuses.
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Jun 14, 2010
I have this scenario where i want to select multiple customers at a time and add them to a group/role. to do this i thought of using a gridView and listed them all with sqlDatasource and enabled 'selection' for gridview. but by default grid view is allowing only one selection at a time. so is there a way i can insert a new column of check boxes and some how read the gridview to know which checkboxes are selected? if you know a better approach than a gridview or check box please suggest me. i am not very familiar with asp.net so
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May 12, 2010
Im using the following code to get the gridview rows that are checked and then add the values to the database.Its all works correctly unless apart from when i check the row at the top of the gridview where when i check the checkbox it doesnt even change to checked so i cannot add that row into the database.
[Code]....
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Mar 23, 2011
i want to allow user to select only one row at a time in gridview by selecting a chechkbox.
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Mar 31, 2011
I have a GridView which have 1 TextBox inside of each row
and then user can batch save these Data by click button
I want to check if user input mutiple data before I process next step
what I can think out is to run a loop through Gridview Rows
just wondering besides this way does there have other way can do this?
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Mar 7, 2011
I have a grid view with the following structure
[Code]....
Here is the scenario:
The data is populated in the gridview dynamically at runtime The number of rows vary each time The auto postback event has been set to true I need to capture the rows that are selected, When I try to capture the button click event; the gridview is null(I understand that it has to be rebound on each postback). Hence this is not working
[Code]....
I also tried this, the rowcommand event; It is also not getting generated. The gridview rowcommand is not getting fired
[Code]....
I need the rows which are selected using the checkbox in the above mentioned sceanrio.
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Oct 21, 2010
I'm unable to get the check box value from dynamically created gridview in vs2010. I'm using the ITemplat class to create the templat column.
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Dec 30, 2010
I have grid view containing check box column as one column,a drp down and button outside the grid..
for example drop down has two options like first and second,if i select first i want to change the name of the button to first and if i select second button name should be second,,and also i want to disable the checkboxes in gridview when button name is second..
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