Storing A User Input From A Textbox Into A Database Table And Being Able To Reterieve It Later On?
Jun 1, 2010
I would like a situation where there are three textbox available and this would give the user an opportunity to input a value in the textboxes. The value in the textboxes would then be stored in a database table(the table is already created in sql). Furthermore, the value would be able to be reterieved later on when the user presses another button. A sample code will help.
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[Code]....
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[Code]....
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Since I'm new to coding and I'm trying to understand why here is a little more detail on the question.If you have a text box and you are limiting the input to say 2 charactrs do you really need to validate the input further? What I have is a text box that has a max length of 2. Is there a security reason to add a validator to the textbox. I should add this is in Asp.net.
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then the database table is created in database(that is SQL express),how can do that.Please sir help me in that problem.I try that thing and debug the code and there is no error in the code but when I click the button in run time ,no table is created in the database(which is placed in sql express 2005).So my problem is that why the table is not created in the database.
[code]...
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My question is that if the user click on button (which is place in default.aspx, for example) then the database table is created in database (SQL express), how can do that? I have tried but errors are occuring during debugging, errors are:the best overloaded method match for 'system.data.odbc.odbc command.odbc command(string,system.data.odbc.odbc connection)'has some invalid arguments.
Argument'2':cannot convert from 'system.data.sqlclient.sqlconnection' to 'system.data.odbc.odbc connection'.
The code written in c# behind the button (button is placed in default.aspx, for example) is:
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
[code]...
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I'm trying to update a db record via a business object, based on a users input.
In my button event handler, I check for a null or empty value like this before I set the object properties:
[Code]....
But if the textbox is empty, I get the "System.FormatException:
Input string was not in a correct format." in the line:
[Code]....
How can this be?
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