Comments on: Comparing String to Integer Conversion Methods in VB.NET http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/ Articles on VB.NET and Software Development Team Leadership Mon, 21 May 2012 19:01:01 +0000 http://wordpress.org/?v=2.7.1 hourly 1 By: victor http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-1420 victor Fri, 23 Oct 2009 11:34:11 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-1420 What about the Ctype(MyString,Integer) metho? What about the Ctype(MyString,Integer) metho?

]]> By: victor http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-1412 victor Sat, 10 Oct 2009 00:32:47 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-1412 what if I code: Dim i as Integer i=TextBox1.Text the code works fine though there is no explicit conversion from string to integer what if I code:

Dim i as Integer
i=TextBox1.Text

the code works fine though there is no explicit conversion from
string to integer

]]> By: Chris Wininger http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-1286 Chris Wininger Tue, 06 Jan 2009 21:41:13 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-1286 Chandrashechar, you have a line that says cmd.Parameters.Add(”@Scode”, OleDbType.VarChar).Value = txtSCode Is the txtSCode a reference to a TextBox object. If it is then you need to do txtSCode.Text. Chandrashechar, you have a line that says

cmd.Parameters.Add(”@Scode”, OleDbType.VarChar).Value = txtSCode

Is the txtSCode a reference to a TextBox object. If it is then you need to do txtSCode.Text.

]]> By: John Chan http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-1190 John Chan Wed, 27 Aug 2008 08:57:26 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-1190 Hi, this is exactly what I'm looking for. Just would like to know how you came up with the performance figures. I once tried to replace all my Convert.ToInt32 with TryParse but my profiler told me they performed the same so I just gave that up. Thx again for the great article. Hi, this is exactly what I’m looking for. Just would like to know how you came up with the performance figures. I once tried to replace all my Convert.ToInt32 with TryParse but my profiler told me they performed the same so I just gave that up. Thx again for the great article.

]]> By: Hax Or http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-1142 Hax Or Mon, 23 Jun 2008 19:31:08 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-1142 Don't they teach you anything over there, Chandrashekhar? Try experts exchange if you need help. This blog article is for experienced programmers who want to know the 'best rating' for converting strings to integers. Don’t they teach you anything over there, Chandrashekhar? Try experts exchange if you need help.

This blog article is for experienced programmers who want to know the ‘best rating’ for converting strings to integers.

]]> By: Chandrashekhar Patil http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-1097 Chandrashekhar Patil Sat, 26 Apr 2008 07:08:48 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-1097 Dear Sir, Whem I am saving data into database with follwoing coding, I am getting error as like "Failed to convert parameter value from a TextBox to a String." Kindly suggest how to solve this problem. See Following Coding : cmd = New OleDbCommand(M_StrAdd, StrConn) cmd.Parameters.Add("@Recno", OleDbType.Integer).Value = Convert.ToInt32(TxtRecno.Text) cmd.Parameters.Add("@Scode", OleDbType.VarChar).Value = txtSCode cmd.Parameters.Add("@Sname", OleDbType.VarChar).Value = TxtStudentName.Text cmd.ExecuteNonQuery() cmd.Dispose() Dear Sir,
Whem I am saving data into database with follwoing coding, I am getting error as like “Failed to convert parameter value from a TextBox to a String.”

Kindly suggest how to solve this problem.

See Following Coding :

cmd = New OleDbCommand(M_StrAdd, StrConn)
cmd.Parameters.Add(”@Recno”, OleDbType.Integer).Value = Convert.ToInt32(TxtRecno.Text)
cmd.Parameters.Add(”@Scode”, OleDbType.VarChar).Value = txtSCode
cmd.Parameters.Add(”@Sname”, OleDbType.VarChar).Value = TxtStudentName.Text
cmd.ExecuteNonQuery()
cmd.Dispose()

]]> By: jfrankcarr http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-461 jfrankcarr Tue, 18 Sep 2007 13:39:38 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-461 Thanks for your comment Ballamber You could use a regular expression to extract the numeric string and convert that string to an integer using TryParse. Of course, that isn't quite as simple as just using Val() but it might be more 'acceptable' in polite .NET company. I do strongly recommend that if you use Val that you have Option Strict turned on. You should do that anyway but since Val will force conversions of just about anything this is an extra safety step you should take. Thanks for your comment Ballamber

You could use a regular expression to extract the numeric string and convert that string to an integer using TryParse. Of course, that isn’t quite as simple as just using Val() but it might be more ‘acceptable’ in polite .NET company.

I do strongly recommend that if you use Val that you have Option Strict turned on. You should do that anyway but since Val will force conversions of just about anything this is an extra safety step you should take.

]]> By: Ballamber http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-453 Ballamber Tue, 18 Sep 2007 09:43:18 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-453 Thanks for this article, it was quite useful. I ended up using Val for it's simplicity of gracefully stopping at the first non-numerical character. Was pretty useful when converting HTML width parameters to integers. E.g. "200px" easily converts to 200 while the other functions would fail. (I did not thoroughly tested it though.) Can any of the other functions be used to do the same without adding extra code? Thanks for this article, it was quite useful. I ended up using Val for it’s simplicity of gracefully stopping at the first non-numerical character. Was pretty useful when converting HTML width parameters to integers. E.g. “200px” easily converts to 200 while the other functions would fail. (I did not thoroughly tested it though.)

Can any of the other functions be used to do the same without adding extra code?

]]> By: links for 2007-09-15 « D e j a m e S e r http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/comment-page-1/#comment-347 links for 2007-09-15 « D e j a m e S e r Sat, 15 Sep 2007 15:20:46 +0000 http://vbnotebookfor.net/2007/09/14/comparing-string-to-integer-conversion-methods-in-vbnet/#comment-347 [...] Comparing String to Integer Conversion Methods in VB.NET (tags: dotnet) [...] [...] Comparing String to Integer Conversion Methods in VB.NET (tags: dotnet) [...]

]]>