Input string was not in a correct format.

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Please help me with this;

I have a dropdown that contains a list of school(the list comes from the database) my problem is, the code doesn't change the value of idS from zero to any other values.

Here's the code:

C#

int.TryParse(drpSchoolOffice.Text, out idS);           
blUser.addUA2(idUser,idS,
                txtLastName.Text.ToUpper(),
               txtFirstName.Text.ToUpper(),
               txtMiddleName.Text.ToUpper(),
             drpUserType.Text,
             txtUsername.Text.ToUpper());

I also tried using this:

C#

int.TryParse(drpSchoolOffice.Text, out idS);
blUser.addUA2(idUser, idS,
                txtLastName.Text.ToUpper(),
               txtFirstName.Text.ToUpper(),
               txtMiddleName.Text.ToUpper(),
             drpUserType.Text,
             txtUsername.Text.ToUpper());

Posted 29-Aug-13 2:44am

timJosh

Updated 29-Aug-13 4:16am

v5

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Comments

Anele Ngqandu 29-Aug-13 8:53am

So you mean every time you click a school you want to insert its ID to a database?

ZurdoDev 29-Aug-13 9:02am

What's the actual problem?

timJosh 29-Aug-13 10:14am

My problem is the value for idS is always zero it cannot be overwritten with some other values other than zero.

ZurdoDev 29-Aug-13 10:18am

Why? What is the value of drpSchoolOffice.Text?

macmacmacmac 29-Aug-13 9:45am

is your idS table a varchar?

timJosh 29-Aug-13 10:13am

No macmac it's INT

Bernhard Hiller 29-Aug-13 9:46am

What type of database do you use?
Is the ID value automatically generated by the database?

timJosh 29-Aug-13 10:10am

Yes bernhard the ID is auto generated

2 solutions

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Padmaraj Sivaraj · Answer 1 · 2013-08-29T03:10:00

Solution 1

In your question you mentioned "I can't convert the ID of school to a string value to be inserted on the database", but in the code you
are trying to convert to int value from string value hence you are getting "Input string was not in correct format error". To convert int to string use string.TryParse().

Posted 29-Aug-13 3:10am

Padmaraj Sivaraj

Comments

timJosh 29-Aug-13 9:20am

Ok I'll try it tnx

idenizeni · Answer 2 · 2013-08-29T09:45:00

I'm not sure what value you are showing in the drpSchoolOffice.Text control but I am guessing you don't really want the droplist's text but you actually want the droplist's selected value. Try this...

C#

int.TryParse(drpSchoolOffice.SelectedValue, out idS);           
blUser.addUA2(idUser,idS,
                txtLastName.Text.ToUpper(),
               txtFirstName.Text.ToUpper(),
               txtMiddleName.Text.ToUpper(),
             drpUserType.Text,
             txtUsername.Text.ToUpper());