get primary key value [modified] - ASP.NET Discussion Boards

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Re: value in textbox

DoctorMick10-Jul-09 0:15

DoctorMick

10-Jul-09 0:15

So what is happening? Is an exception being thrown?

Re: value in textbox

Brij10-Jul-09 2:15

Brij

10-Jul-09 2:15

Did you try to debug it.Is it value is properly assigned to the textbox.Any error or exception?

Cheers!!
Brij

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Re: value in textbox

Abhijit Jana10-Jul-09 3:14

Abhijit Jana

10-Jul-09 3:14

There is nothing wrong with this code. Problem seems with your execution ? Where are you executing these ? Any thing here is runtime created ?

cheers,
Abhijit
CodeProject MVP
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error

mylogics9-Jul-09 23:26

mylogics

9-Jul-09 23:26

I want to assign a integer value to a textbox during runtime.
plz help m new to asp.net.the code i have written does not shows
the value in textbox during runtime....:
int Total = (Convert.ToInt32(Txtproductprice.Text) * Convert.ToInt32(Txtproductquantity.Text));
//string total = Convert.ToString(Total);
Txttotalprice.Text = Total.ToString();

thank's

Re: error

padmanabhan N9-Jul-09 23:33

padmanabhan N

9-Jul-09 23:33

pariksht wrote:
nt Total = (Convert.ToInt32(Txtproductprice.Text) * Convert.ToInt32(Txtproductquantity.Text));
//string total = Convert.ToString(Total);
Txttotalprice.Text = Total.ToString();

int result = int.Parse(TextBox1.Text) * int.Parse(TextBox2.Text);
TextBox3.Text = result.ToString();

Padmanabhan
My Articles:
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My latest Article:
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Re: error

DoctorMick9-Jul-09 23:44

DoctorMick

9-Jul-09 23:44

It may also be worth while looking at TryParse to make sure the text boxes contain valid numbers.

Re: error

Blue_Boy9-Jul-09 23:45

Blue_Boy

9-Jul-09 23:45

Do you reset control values before assign value to TextBox?

Txttotalprice.Text =Convert.ToString(Convert.ToInt32(Txtproductprice.Text) *Convert.ToInt32(Txtproductquantity.Text));

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get primary key value [modified]

vikas shukla9-Jul-09 23:06

vikas shukla

9-Jul-09 23:06

hi sir
please help me
i want the primary key column value on gridview_rowcommand()
please send me code if possible
thanx

hi sir
i am using following code:

<asp:templatefield headertext="Status">
<itemtemplate>
<asp:linkbutton id="lb1" runat="server" onclick="lb1_Click" commandname="lock_user" commandargument="<%# Container.DataItemIndex %>">Lock

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if ((e.CommandName).ToString() == "lock_user")
{

int index = Convert.ToInt32(e.CommandArgument);

string userid = GridView1.Rows[index].FindControl("UserIdName").ToString();

WebMsgBox.Show(userid);

}
}

but it gives blank messagebox and i want that userid.

modified on Friday, July 10, 2009 6:35 AM

Re: get primary key value

padmanabhan N9-Jul-09 23:24

padmanabhan N

9-Jul-09 23:24

refer : GridView all in one[^]

Padmanabhan
My Articles:
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Re: get primary key value

Manas Bhardwaj9-Jul-09 23:30

Manas Bhardwaj

9-Jul-09 23:30

vikas shukla wrote:
please send me code if possible

What have you tried so far? A simple Google search would have gave you a nice idea.

void mygridview_RowCommand(Object sender, GridViewCommandEventArgs e)
{    
	int index = Convert.ToInt32(e.CommandArgument);

    GridViewRow row = ContactsGridView.Rows[index];
	
	//use the index of the column to retrieve the value	
	//for eg 
	//string thirdcolumn = row.Cells[2].Text;
	//...do whatever
}

Manas Bhardwaj
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Re: get primary key value

himanshu25619-Jul-09 23:35

himanshu2561

9-Jul-09 23:35

<asp:TemplateField>
                                                <ItemTemplate>
                                                      <asp:Button runat="server" CommandName="BtnUpdate" CommandArgument='<% Eval("PrimaryKeyField") %>' />
                                                </ItemTemplate>
                                             </asp:TemplateField>

himanshu

how we read the device which is connected to our system's serial port ?

avika9-Jul-09 22:19

avika

9-Jul-09 22:19

I have to develop an application, which can able to connect to a GPS device which is connected to serial port in our system and also able to read all the data from the device.

Currently I am able to make connection to my system's serial port but not able to connect to that GPS device and also not able to read the data from the device.

So in brief problem is that, "how we read the device which is connected to our system's serial port."

Please help me out to solve this problem.

Re: how we read the device which is connected to our system's serial port ?

Manas Bhardwaj9-Jul-09 22:43

Manas Bhardwaj

9-Jul-09 22:43

avika wrote:
Please help me out to solve this problem.

You are in wrong forum. It has nothing to with ASP.Net.

Manas Bhardwaj
Please remember to rate helpful or unhelpful answers, it lets us and people reading the forums know if our answers are any good.

Re: how we read the device which is connected to our system's serial port ?

avika9-Jul-09 22:48

avika

9-Jul-09 22:48

I have to develop this in ASP .Net web application. I got some information regarding to Serial Port classes and methods from MSDN but still not able to get it. Please help me if you have any idea regard to this.

Re: how we read the device which is connected to our system's serial port ?

Manas Bhardwaj9-Jul-09 22:57

Manas Bhardwaj

9-Jul-09 22:57

avika wrote:
I have to develop this in ASP .Net web application.

AFAIK, this is no ASP.Net thing.

avika wrote:
Please help me if you have any idea regard to this.

Did you look at this[^]?

Manas Bhardwaj
Please remember to rate helpful or unhelpful answers, it lets us and people reading the forums know if our answers are any good.

Re: how we read the device which is connected to our system's serial port ?

DoctorMick9-Jul-09 23:45

DoctorMick

9-Jul-09 23:45

Are you trying to build a web application that connects to the serial port of the clients PC? You won't be able to do that with ASP.net.

Re: how we read the device which is connected to our system's serial port ?

avika10-Jul-09 0:07

avika

10-Jul-09 0:07

I am able to connect to serial port but not able to read the data from the connected device. Here is the code which i am using to read the device-

// Create the serial port with basic settings
SerialPort port = new SerialPort("COM1", 9600, Parity.None, 8, StopBits.One);

port.Handshake = System.IO.Ports.Handshake.None;
port.ReadTimeout = 5000;
port.Open();

//retrieve number of bytes in the buffer
int bytes = port.BytesToRead;
//create a byte array to hold the awaiting data
byte[] comBuffer = new byte[bytes];
//read the data and store it
port.Read(comBuffer, 0, bytes);
string str;
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
str = enc.GetString(comBuffer);
txtData.Text = str;
port.Close();

when i am running this code then I get 0 in BytesToRead and comBuffer.

I think i am doing something wrong but what it is not have any idea.

Short cut key in ASP.Net

Amit Patel19859-Jul-09 22:04

Amit Patel1985

9-Jul-09 22:04

Hi all ,

Is it possible to create short cut keys in ASP.Net to navigate between pages.

Thanks ,

Amit PAtel

Re: Short cut key in ASP.Net

Manas Bhardwaj9-Jul-09 22:12

Manas Bhardwaj

9-Jul-09 22:12

Amit Patel1985 wrote:
Is it possible to create short cut keys in ASP.Net to navigate between pages.

The simple answer to this is a NO.
Though you can do something with JavaScript [^]to achive this.

Manas Bhardwaj
Please remember to rate helpful or unhelpful answers, it lets us and people reading the forums know if our answers are any good.

Web Chat Implementation Approach

platso_5889-Jul-09 21:35

platso_588

9-Jul-09 21:35

Hello,
I want to develop a web chat application. In this application the user Just need to login to the webpage and can be able to chat with the other users who are logged in at that point of time. This application that i want to develop resembles GTalk that we can use once we sign in to or gmail account. This application is completely web application which doesn't need any installation.

I need to develop this application in ASP.Net. In future this application can be enhanced with Remote Desktop viewing as well.

->Can any one suggest me the approach(logic of exchanging data between 2 users) and the technology that I can Implement so that i will not stuck in future. I don't need Code, just outline flow of implementation will satisfy my need.

->If you have any Idea how Web based GTalk was Implemented? I mean the approach the followed by Google.

Please help me in this Regard.

Re: Web Chat Implementation Approach

Manas Bhardwaj9-Jul-09 22:14

Manas Bhardwaj

9-Jul-09 22:14

Well, there and already thousands(or probably more) examples of this on internet.
Did you try even once to look for something very simple like this[^]?

Manas Bhardwaj
Please remember to rate helpful or unhelpful answers, it lets us and people reading the forums know if our answers are any good.

Editable gridview

kanadoss9-Jul-09 21:23

kanadoss

9-Jul-09 21:23

Hi,
I am creating 5 rows dynamically in a grid view.
I need Edit a particular row and i have to save the changed row to database , how to do this, plz answer me... as well as any sample code will be more helpfull for me...

Re: Editable gridview

K03069-Jul-09 21:28

K0306

9-Jul-09 21:28