How to Convert TextBox string with decimal to decimal in c# Windows form.
0
I have column in my database with decimal(18, 0) Data type.
When I try to insert then I get "Wrong format". I do like this...:
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text);
Letsay if I write 25.89 then this givs me error message "wrong format"
It's working with hole numbers, like 25 but not with dot 25.89
I use this eventHandler on Textbox:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
if(ch == 46 && txtAmountToTransfer.Text.IndexOf('.') != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != 46)
{
e.Handled = true;
}
}
It should be easy but I have tried with many methods but stil I dont get it to work. Thank you in advance
c# textbox decimal windows-forms-designer
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
add a comment |
0
I have column in my database with decimal(18, 0) Data type.
When I try to insert then I get "Wrong format". I do like this...:
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text);
Letsay if I write 25.89 then this givs me error message "wrong format"
It's working with hole numbers, like 25 but not with dot 25.89
I use this eventHandler on Textbox:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
if(ch == 46 && txtAmountToTransfer.Text.IndexOf('.') != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != 46)
{
e.Handled = true;
}
}
It should be easy but I have tried with many methods but stil I dont get it to work. Thank you in advance
c# textbox decimal windows-forms-designer
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
1
decimal.Parse or TryParse
– Access Denied
Nov 20 '18 at 8:15
1
duplicate: stackoverflow.com/questions/33134614/…
– JohnB
Nov 20 '18 at 8:17
1
Well, if it is a user input, thendecimal.TryParsewill be a good idea (if you do not have masked textboxes or something). And it is not converting because of your current Culture settings, I believe comma,instead of dot.will work.
– SeM
Nov 20 '18 at 8:18
How to detect current culture separator:char a = Convert.ToChar(Thread.CurrentThread.CurrentCulture.NumberFormat.NumberDecimalSeparator);
– Access Denied
Nov 20 '18 at 8:27
add a comment |
0
0
0
I have column in my database with decimal(18, 0) Data type.
When I try to insert then I get "Wrong format". I do like this...:
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text);
Letsay if I write 25.89 then this givs me error message "wrong format"
It's working with hole numbers, like 25 but not with dot 25.89
I use this eventHandler on Textbox:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
if(ch == 46 && txtAmountToTransfer.Text.IndexOf('.') != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != 46)
{
e.Handled = true;
}
}
It should be easy but I have tried with many methods but stil I dont get it to work. Thank you in advance
c# textbox decimal windows-forms-designer
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
I have column in my database with decimal(18, 0) Data type.
When I try to insert then I get "Wrong format". I do like this...:
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text);
Letsay if I write 25.89 then this givs me error message "wrong format"
It's working with hole numbers, like 25 but not with dot 25.89
I use this eventHandler on Textbox:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
if(ch == 46 && txtAmountToTransfer.Text.IndexOf('.') != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != 46)
{
e.Handled = true;
}
}
It should be easy but I have tried with many methods but stil I dont get it to work. Thank you in advance
c# textbox decimal windows-forms-designer
c# textbox decimal windows-forms-designer
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
asked Nov 20 '18 at 8:14
Helen TekieHelen Tekie
140119
140119
1
decimal.Parse or TryParse
– Access Denied
Nov 20 '18 at 8:15
1
duplicate: stackoverflow.com/questions/33134614/…
– JohnB
Nov 20 '18 at 8:17
1
Well, if it is a user input, thendecimal.TryParsewill be a good idea (if you do not have masked textboxes or something). And it is not converting because of your current Culture settings, I believe comma,instead of dot.will work.
– SeM
Nov 20 '18 at 8:18
How to detect current culture separator:char a = Convert.ToChar(Thread.CurrentThread.CurrentCulture.NumberFormat.NumberDecimalSeparator);
– Access Denied
Nov 20 '18 at 8:27
add a comment |
1
decimal.Parse or TryParse
– Access Denied
Nov 20 '18 at 8:15
1
duplicate: stackoverflow.com/questions/33134614/…
– JohnB
Nov 20 '18 at 8:17
1
Well, if it is a user input, thendecimal.TryParsewill be a good idea (if you do not have masked textboxes or something). And it is not converting because of your current Culture settings, I believe comma,instead of dot.will work.
– SeM
Nov 20 '18 at 8:18
How to detect current culture separator:char a = Convert.ToChar(Thread.CurrentThread.CurrentCulture.NumberFormat.NumberDecimalSeparator);
– Access Denied
Nov 20 '18 at 8:27
1
1
decimal.Parse or TryParse
– Access Denied
Nov 20 '18 at 8:15
decimal.Parse or TryParse
– Access Denied
Nov 20 '18 at 8:15
1
1
duplicate: stackoverflow.com/questions/33134614/…
– JohnB
Nov 20 '18 at 8:17
duplicate: stackoverflow.com/questions/33134614/…
– JohnB
Nov 20 '18 at 8:17
1
1
Well, if it is a user input, then
decimal.TryParse will be a good idea (if you do not have masked textboxes or something). And it is not converting because of your current Culture settings, I believe comma , instead of dot . will work.– SeM
Nov 20 '18 at 8:18
Well, if it is a user input, then
decimal.TryParse will be a good idea (if you do not have masked textboxes or something). And it is not converting because of your current Culture settings, I believe comma , instead of dot . will work.– SeM
Nov 20 '18 at 8:18
How to detect current culture separator:
char a = Convert.ToChar(Thread.CurrentThread.CurrentCulture.NumberFormat.NumberDecimalSeparator);– Access Denied
Nov 20 '18 at 8:27
How to detect current culture separator:
char a = Convert.ToChar(Thread.CurrentThread.CurrentCulture.NumberFormat.NumberDecimalSeparator);– Access Denied
Nov 20 '18 at 8:27
add a comment |
2 Answers
2
active
oldest
votes
0
Try the following approach:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
char decimalSeparatorChar = Convert.ToChar(Thread.CurrentThread.CurrentUICulture.NumberFormat.NumberDecimalSeparator);
if(ch == decimalSeparatorChar && txtAmountToTransfer.Text.IndexOf(decimalSeparatorChar) != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != decimalSeparatorChar)
{
e.Handled = true;
}
}
Then decimal.Parse(txtAmountToTransfer.Text) will work fine. And make sure you are using correct decimal separator when you type in numbers.
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
add a comment |
0
Try using
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text, CultureInfo.InvariantCulture);
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
This is nice until,is a decimal separator in your culture.
– Access Denied
Nov 20 '18 at 8:24
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
Try the following approach:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
char decimalSeparatorChar = Convert.ToChar(Thread.CurrentThread.CurrentUICulture.NumberFormat.NumberDecimalSeparator);
if(ch == decimalSeparatorChar && txtAmountToTransfer.Text.IndexOf(decimalSeparatorChar) != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != decimalSeparatorChar)
{
e.Handled = true;
}
}
Then decimal.Parse(txtAmountToTransfer.Text) will work fine. And make sure you are using correct decimal separator when you type in numbers.
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
add a comment |
0
Try the following approach:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
char decimalSeparatorChar = Convert.ToChar(Thread.CurrentThread.CurrentUICulture.NumberFormat.NumberDecimalSeparator);
if(ch == decimalSeparatorChar && txtAmountToTransfer.Text.IndexOf(decimalSeparatorChar) != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != decimalSeparatorChar)
{
e.Handled = true;
}
}
Then decimal.Parse(txtAmountToTransfer.Text) will work fine. And make sure you are using correct decimal separator when you type in numbers.
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
add a comment |
0
0
0
Try the following approach:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
char decimalSeparatorChar = Convert.ToChar(Thread.CurrentThread.CurrentUICulture.NumberFormat.NumberDecimalSeparator);
if(ch == decimalSeparatorChar && txtAmountToTransfer.Text.IndexOf(decimalSeparatorChar) != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != decimalSeparatorChar)
{
e.Handled = true;
}
}
Then decimal.Parse(txtAmountToTransfer.Text) will work fine. And make sure you are using correct decimal separator when you type in numbers.
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
Try the following approach:
private void txtAmountToTransfer_KeyPress(object sender, KeyPressEventArgs e)
{
char ch = e.KeyChar;
char decimalSeparatorChar = Convert.ToChar(Thread.CurrentThread.CurrentUICulture.NumberFormat.NumberDecimalSeparator);
if(ch == decimalSeparatorChar && txtAmountToTransfer.Text.IndexOf(decimalSeparatorChar) != -1)
{
e.Handled = true;
return;
}
if(!Char.IsDigit(ch) && ch != 8 && ch != decimalSeparatorChar)
{
e.Handled = true;
}
}
Then decimal.Parse(txtAmountToTransfer.Text) will work fine. And make sure you are using correct decimal separator when you type in numbers.
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
edited Nov 20 '18 at 8:39
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
answered Nov 20 '18 at 8:33
Access DeniedAccess Denied
5,12121643
5,12121643
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
add a comment |
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
Thank you it is working but if I put 25,50 then in database did not insert 25,50 but 26. It's rounding. Is any way t oget 25,50 ... or if I put 30,80 then I get the same value in my database. I'am trying to create banking system. If everybody deposit with 25,50 and my code rounding to 26, then this bank will lose a lot of Money.. (it's just an example) so I wonder if there is any way to get the same value as I put in my textbox. As I mention in my question it's decimal(18, 0) Data type. Thank you again.
– Helen Tekie
Nov 20 '18 at 12:10
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
@HelenTekie it is rounded because of your db column type, change it to decimal (18,2). See the following post stackoverflow.com/questions/25190976/…
– Access Denied
Nov 20 '18 at 12:46
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
, Nice. Now everythink is working .. Thank you
– Helen Tekie
Nov 20 '18 at 13:18
add a comment |
0
Try using
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text, CultureInfo.InvariantCulture);
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
This is nice until,is a decimal separator in your culture.
– Access Denied
Nov 20 '18 at 8:24
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
add a comment |
0
Try using
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text, CultureInfo.InvariantCulture);
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
This is nice until,is a decimal separator in your culture.
– Access Denied
Nov 20 '18 at 8:24
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
add a comment |
0
0
0
Try using
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text, CultureInfo.InvariantCulture);
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
Try using
decimal amountToWithdraw = Convert.ToDecimal(txtAmountToTransfer.Text, CultureInfo.InvariantCulture);
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
answered Nov 20 '18 at 8:19
Ramesh VermaRamesh Verma
5518
5518
This is nice until,is a decimal separator in your culture.
– Access Denied
Nov 20 '18 at 8:24
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
add a comment |
This is nice until,is a decimal separator in your culture.
– Access Denied
Nov 20 '18 at 8:24
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
This is nice until
, is a decimal separator in your culture.– Access Denied
Nov 20 '18 at 8:24
This is nice until
, is a decimal separator in your culture.– Access Denied
Nov 20 '18 at 8:24
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
As mentioned in the question, he is trying to parse values like 25.89, so a comma is not the separator in this case.
– Ramesh Verma
Nov 20 '18 at 8:27
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma In OP's question you can't see his current culture settings and he's getting error while converting. So, probably comma is separator in this case.
– SeM
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
@RameshVerma it just means that he is using incorrect separator. UI should work with UI culture and parse will work in that case.
– Access Denied
Nov 20 '18 at 8:28
add a comment |
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1
decimal.Parse or TryParse
– Access Denied
Nov 20 '18 at 8:15
1
duplicate: stackoverflow.com/questions/33134614/…
– JohnB
Nov 20 '18 at 8:17
1
Well, if it is a user input, then
decimal.TryParsewill be a good idea (if you do not have masked textboxes or something). And it is not converting because of your current Culture settings, I believe comma,instead of dot.will work.– SeM
Nov 20 '18 at 8:18
How to detect current culture separator:
char a = Convert.ToChar(Thread.CurrentThread.CurrentCulture.NumberFormat.NumberDecimalSeparator);– Access Denied
Nov 20 '18 at 8:27