I am trying to figure out how to display the sum total of a numeric column in
the footer of a datagrid. I have tried putting a label control in the footer
of a column but for some reason when I try to reference the label control
using:
txtTotalDollars .Text = ttlDollars.ToSt ring();
I get an error saying that the label control txtTotalDollars does not exist.
Note that when I place the label outside of the footer it works fine.
Any ideas?
Thanks, Justin. 9 2029
If you add any controls inside datagrid (either in footer or header). it will
be placed under controls collection of datagrid. So if you try to directly
access the control, you will get error like this. If you want to set some
value to that label or if you want to access that label. then you need to do
this
datagriditem.fi ndcontrol("Labe lname")
Check out this article for more info, http://www.extremeexperts.com/Net/Ar...stoFooter.aspx
"Justin" wrote: I am trying to figure out how to display the sum total of a numeric column in the footer of a datagrid. I have tried putting a label control in the footer of a column but for some reason when I try to reference the label control using:
txtTotalDollars .Text = ttlDollars.ToSt ring();
I get an error saying that the label control txtTotalDollars does not exist. Note that when I place the label outside of the footer it works fine.
Any ideas?
Thanks, Justin.
You need to access any controls inside datagrid using following syntax.
datagriditem.fi ndcontrol("your lablename")
for more deatils check out this article, http://www.extremeexperts.com/Net/Ar...stoFooter.aspx
"Justin" wrote: I am trying to figure out how to display the sum total of a numeric column in the footer of a datagrid. I have tried putting a label control in the footer of a column but for some reason when I try to reference the label control using:
txtTotalDollars .Text = ttlDollars.ToSt ring();
I get an error saying that the label control txtTotalDollars does not exist. Note that when I place the label outside of the footer it works fine.
Any ideas?
Thanks, Justin.
You need to access any controls inside datagrid using following syntax.
datagriditem.fi ndcontrol("your lablename")
for more deatils check out this article, http://www.extremeexperts.com/Net/Ar...stoFooter.aspx
"Justin" wrote: I am trying to figure out how to display the sum total of a numeric column in the footer of a datagrid. I have tried putting a label control in the footer of a column but for some reason when I try to reference the label control using:
txtTotalDollars .Text = ttlDollars.ToSt ring();
I get an error saying that the label control txtTotalDollars does not exist. Note that when I place the label outside of the footer it works fine.
Any ideas?
Thanks, Justin.
Can you or someone else ellaborate a little more on how to accomplish this
task? The article was of little help.
I have this so far: DataGrid1.FindC ontrol("txtTota lDollars"); //
txtTotalDollars is the label
I am unable to asign a value to that code. How can I do that?
Thanks, Justin.
"Saravana" wrote: If you add any controls inside datagrid (either in footer or header). it will be placed under controls collection of datagrid. So if you try to directly access the control, you will get error like this. If you want to set some value to that label or if you want to access that label. then you need to do this
datagriditem.fi ndcontrol("Labe lname")
Check out this article for more info, http://www.extremeexperts.com/Net/Ar...stoFooter.aspx "Justin" wrote:
I am trying to figure out how to display the sum total of a numeric column in the footer of a datagrid. I have tried putting a label control in the footer of a column but for some reason when I try to reference the label control using:
txtTotalDollars .Text = ttlDollars.ToSt ring();
I get an error saying that the label control txtTotalDollars does not exist. Note that when I place the label outside of the footer it works fine.
Any ideas?
Thanks, Justin.
Hi Justin:
FindControl has to be called on the DataGridItem that contains the
textbox. The DataGridItem you want is the footer, and probably the
last one in the Item array
DataGrid.Items[DataGrid.Items. Count-1].Findcontrol("t xtTotalDollars" );
For more info: http://odetocode.com/Articles/116.aspx
--
Scott http://www.OdeToCode.com/blogs/scott/
On Thu, 14 Oct 2004 01:39:06 -0700, Justin
<Ju****@discuss ions.microsoft. com> wrote: Can you or someone else ellaborate a little more on how to accomplish this task? The article was of little help.
I have this so far: DataGrid1.FindC ontrol("txtTota lDollars"); // txtTotalDollar s is the label
I am unable to asign a value to that code. How can I do that?
Thanks, Justin.
Ok, I seem to have the correct code but for some reason nothing is showing up
in the label.
Here is my code:
protected void DataGrid1_ItemD ataBound(object sender, DataGridItemEve ntArgs e)
{
Label lblDollars = (Label)e.Item.F indControl("txt TotalDollars");
lblDollars.Text = ttlDollars.ToSt ring();
}
Any ideas?
Thanks, for the help.
Justin.
"Justin" wrote: I am trying to figure out how to display the sum total of a numeric column in the footer of a datagrid. I have tried putting a label control in the footer of a column but for some reason when I try to reference the label control using:
txtTotalDollars .Text = ttlDollars.ToSt ring();
I get an error saying that the label control txtTotalDollars does not exist. Note that when I place the label outside of the footer it works fine.
Any ideas?
Thanks, Justin.
Hi Justin:
That snippet of code looks entirely reasonable. Have you set a
breakpoint with the deubgger? Any chance of ttlDollars being an empty
string?
--
Scott http://www.OdeToCode.com/blogs/scott/
On Thu, 14 Oct 2004 14:59:03 -0700, Justin
<Ju****@discuss ions.microsoft. com> wrote: Ok, I seem to have the correct code but for some reason nothing is showing up in the label.
Here is my code:
protected void DataGrid1_ItemD ataBound(object sender, DataGridItemEve ntArgs e) { Label lblDollars = (Label)e.Item.F indControl("txt TotalDollars"); lblDollars.Tex t = ttlDollars.ToSt ring(); }
Any ideas?
Thanks, for the help.
Justin.
I tested ttlDollars on another non datagrid label and it works fine, so the
variable is not empty, I must be using findcontrol on the wrong item.
"Scott Allen" wrote: Hi Justin:
That snippet of code looks entirely reasonable. Have you set a breakpoint with the deubgger? Any chance of ttlDollars being an empty string?
-- Scott http://www.OdeToCode.com/blogs/scott/
On Thu, 14 Oct 2004 14:59:03 -0700, Justin <Ju****@discuss ions.microsoft. com> wrote:
Ok, I seem to have the correct code but for some reason nothing is showing up in the label.
Here is my code:
protected void DataGrid1_ItemD ataBound(object sender, DataGridItemEve ntArgs e) { Label lblDollars = (Label)e.Item.F indControl("txt TotalDollars"); lblDollars.Tex t = ttlDollars.ToSt ring(); }
Any ideas?
Thanks, for the help.
Justin.
Ok, I think I found the solution. It is in the way I am wiring up the event,
heres what I am doing now:
this.DataGrid1 += DataGridItemEve ntArgs(this.Dat aGrid1_ItemData Bound);
I can't think of any other way to wire it up. Any suggestions?
Thanks, Justin.
"Scott Allen" wrote: Hi Justin:
That snippet of code looks entirely reasonable. Have you set a breakpoint with the deubgger? Any chance of ttlDollars being an empty string?
-- Scott http://www.OdeToCode.com/blogs/scott/
On Thu, 14 Oct 2004 14:59:03 -0700, Justin <Ju****@discuss ions.microsoft. com> wrote:
Ok, I seem to have the correct code but for some reason nothing is showing up in the label.
Here is my code:
protected void DataGrid1_ItemD ataBound(object sender, DataGridItemEve ntArgs e) { Label lblDollars = (Label)e.Item.F indControl("txt TotalDollars"); lblDollars.Tex t = ttlDollars.ToSt ring(); }
Any ideas?
Thanks, for the help.
Justin.
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