navigation bar does not pass to added rows

  • Thread starter Thread starter Yoramo
  • Start date Start date
Y

Yoramo

Hello



I have created a simple application that has a form that displays one
row each time.



I have used the wizard to generate the code.



my problem is that I can not navigate to added rows, I see the count of rows
increasing but the navigation controls refuse to point on them.



Can any one advice?



Yoramo
 
Sure



I have SQL server database with 2 tables that has a FK (foreign key) and I
have created a DataForm on my main table without the secondary table.



Compiled and run.

I can update rows that are in the table but if I press "Add" I see the
counter of rows increases but I can not navigate to it.



Yoramo
 
here is the code VS.Net generated for the next row event
private void btnNavNext_Click(object sender, System.EventArgs e)
{
this.BindingContext[objds1,"Tasks"].Position =
(this.BindingContext[objds1,"Tasks"].Position + 1);
this.objds1_PositionChanged();
}

the Position does not get increment beyond the initial rows, even if i try
to change it in the watch window it goes back immediately.
I can not debug into it, does any one have any suggestions on how to debug
into the "BindingContext" ?

yoramo
 
Hi,

What is your grid bound to?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

yoramo said:
here is the code VS.Net generated for the next row event
private void btnNavNext_Click(object sender, System.EventArgs e)
{
this.BindingContext[objds1,"Tasks"].Position =
(this.BindingContext[objds1,"Tasks"].Position + 1);
this.objds1_PositionChanged();
}

the Position does not get increment beyond the initial rows, even if i try
to change it in the watch window it goes back immediately.
I can not debug into it, does any one have any suggestions on how to debug
into the "BindingContext" ?

yoramo
Yoramo said:
Sure



I have SQL server database with 2 tables that has a FK (foreign key) and I
have created a DataForm on my main table without the secondary table.



Compiled and run.

I can update rows that are in the table but if I press "Add" I see the
counter of rows increases but I can not navigate to it.



Yoramo





displays
one
Click to expand...
Click to expand...
 
I do not have a grid, I have only a DataForm.


Miha Markic said:
Hi,

What is your grid bound to?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

yoramo said:
here is the code VS.Net generated for the next row event
private void btnNavNext_Click(object sender, System.EventArgs e)
{
this.BindingContext[objds1,"Tasks"].Position =
(this.BindingContext[objds1,"Tasks"].Position + 1);
this.objds1_PositionChanged();
}

the Position does not get increment beyond the initial rows, even if i try
to change it in the watch window it goes back immediately.
I can not debug into it, does any one have any suggestions on how to debug
into the "BindingContext" ?

yoramo
Yoramo said:
Sure



I have SQL server database with 2 tables that has a FK (foreign key)
Click to expand...
Click to expand...
and
I count
of
Click to expand...
Click to expand...
 
I found out that the newly added rows are with NULL values and this causes
exception.

how/where do I initialize the fields?

Yoramo


yoramo said:
I do not have a grid, I have only a DataForm.


Miha Markic said:
Hi,

What is your grid bound to?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

yoramo said:
here is the code VS.Net generated for the next row event
private void btnNavNext_Click(object sender, System.EventArgs e)
{
this.BindingContext[objds1,"Tasks"].Position =
(this.BindingContext[objds1,"Tasks"].Position + 1);
this.objds1_PositionChanged();
}

the Position does not get increment beyond the initial rows, even if i try
to change it in the watch window it goes back immediately.
I can not debug into it, does any one have any suggestions on how to debug
into the "BindingContext" ?

yoramo
Sure



I have SQL server database with 2 tables that has a FK (foreign key)
Click to expand...
and
I
have created a DataForm on my main table without the secondary table.



Compiled and run.

I can update rows that are in the table but if I press "Add" I see the
counter of rows increases but I can not navigate to it.



Yoramo





"Miha Markic" <miha at rthand com> wrote in message
Ha, care to share a bit more info/sources?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

Hello



I have created a simple application that has a form that displays
one
row each time.



I have used the wizard to generate the code.



my problem is that I can not navigate to added rows, I see the count
of
rows
increasing but the navigation controls refuse to point on them.



Can any one advice?



Yoramo
Click to expand...
Click to expand...
Click to expand...
 
OK, I think I know where the problem is.
But before, tell me two things:
- what is code behin Add new row?
- what is the code that binds a control to dataset?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

yoramo said:
I do not have a grid, I have only a DataForm.


Miha Markic said:
Hi,

What is your grid bound to?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

yoramo said:
here is the code VS.Net generated for the next row event
private void btnNavNext_Click(object sender, System.EventArgs e)
{
this.BindingContext[objds1,"Tasks"].Position =
(this.BindingContext[objds1,"Tasks"].Position + 1);
this.objds1_PositionChanged();
}

the Position does not get increment beyond the initial rows, even if i try
to change it in the watch window it goes back immediately.
I can not debug into it, does any one have any suggestions on how to debug
into the "BindingContext" ?

yoramo
Sure



I have SQL server database with 2 tables that has a FK (foreign key)
Click to expand...
and
I
have created a DataForm on my main table without the secondary table.



Compiled and run.

I can update rows that are in the table but if I press "Add" I see the
counter of rows increases but I can not navigate to it.



Yoramo





"Miha Markic" <miha at rthand com> wrote in message
Ha, care to share a bit more info/sources?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

Hello



I have created a simple application that has a form that displays
one
row each time.



I have used the wizard to generate the code.



my problem is that I can not navigate to added rows, I see the count
of
rows
increasing but the navigation controls refuse to point on them.



Can any one advice?



Yoramo
Click to expand...
Click to expand...
Click to expand...
 
private void btnAdd_Click(object sender, System.EventArgs e)

{

try

{

// Clear out the current edits

this.BindingContext[objds1,"Tasks"].EndCurrentEdit();

this.BindingContext[objds1,"Tasks"].AddNew();

}

catch (System.Exception eEndEdit)

{

System.Windows.Forms.MessageBox.Show(eEndEdit.Message);

}

this.objds1_PositionChanged();

}




Miha Markic said:
OK, I think I know where the problem is.
But before, tell me two things:
- what is code behin Add new row?
- what is the code that binds a control to dataset?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

yoramo said:
I do not have a grid, I have only a DataForm.


Miha Markic said:
Hi,

What is your grid bound to?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

here is the code VS.Net generated for the next row event
private void btnNavNext_Click(object sender, System.EventArgs e)
{
this.BindingContext[objds1,"Tasks"].Position =
(this.BindingContext[objds1,"Tasks"].Position + 1);
this.objds1_PositionChanged();
}

the Position does not get increment beyond the initial rows, even if
Click to expand...
i
try
to change it in the watch window it goes back immediately.
I can not debug into it, does any one have any suggestions on how to debug
into the "BindingContext" ?

yoramo
Sure



I have SQL server database with 2 tables that has a FK (foreign
Click to expand...
key)
and
I
have created a DataForm on my main table without the secondary table.



Compiled and run.

I can update rows that are in the table but if I press "Add" I see the
counter of rows increases but I can not navigate to it.



Yoramo





"Miha Markic" <miha at rthand com> wrote in message
Ha, care to share a bit more info/sources?

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

Hello



I have created a simple application that has a form that
displays
one
row each time.



I have used the wizard to generate the code.



my problem is that I can not navigate to added rows, I see the count
of
rows
increasing but the navigation controls refuse to point on them.



Can any one advice?



Yoramo
Click to expand...
Click to expand...
Click to expand...
 
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