I hava some date all of same 7788ASD I want split and only "a" I want

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private void dataGridView3_CellClick(object sender, DataGridViewCellEventArgs e)
{
connection.Open();
try
{
mdr = command.ExecuteReader();
if (mdr.Read())
{
String character = dataGridView3.CurrentRow.Cells[1].Value.ToString();

// now "character" have 7788ASD I want only "A"
//???????????????????????

}
else
{
MessageBox.Show("bla bla......");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
connection.Close();
}

What I have tried:

i hava some date all of same 7788ASD I want split and only "A" i want

Posted 25-Jan-18 19:35pm

Member 13498879

Updated 25-Jan-18 23:16pm

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Comments

Karthik_Mahalingam 26-Jan-18 2:57am

what about other cases?
show other examples, like input and expected output..
based on that only the regex or the logic wll be determined.

Member 13498879 26-Jan-18 3:21am

sij j mera tusra code nei
private void dataGridView3_CellClick(object sender, DataGridViewCellEventArgs e)
{
connection.Open();
try
{
mdr = command.ExecuteReader();
if (mdr.Read())
{
String character = dataGridView3.CurrentRow.Cells[1].Value.ToString();

if I write textbox.text = character; output s come 7788ASD come
// here split or write regex but how to I don't no
// now "character" have 7788ASD I want only "A"
//???????????????????????

}
else
{
MessageBox.Show("bla bla......");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
connection.Close();
}

Karthik_Mahalingam 26-Jan-18 4:13am

check the solution if it helps

3 solutions

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OriginalGriff · Accepted Answer · 2018-01-25T19:56:00

Solution 1

Try a regex:

(?<FirstNumber>\d\d)(?<SecondNumber>\d\d)(?<Char1>.)(?<Char2>.)(?<Char3>.)

That splits your input into groups: two digits, two digits, then three sets of one character.
You can then access each group as a separate object and process it without having to split it up any further. (Replace the names with descriptions of the fields).
Regex Class[^]

Posted 25-Jan-18 19:56pm

OriginalGriff

Comments

Member 13498879 26-Jan-18 2:09am

sorry I cant understand that regex

OriginalGriff 26-Jan-18 2:11am

Get a copy of Expresso:
http://www.ultrapico.com/Expresso.htm
It's free, and it examines and generates Regular expressions. It'll even create C# and VB code for you, ready to use!

If you are going to hack strings apart, you do need to learn regular expressions - they can save you a huge amount of code!

Member 13498879 26-Jan-18 2:46am

I install that msi file now how to work Expresso sir

OriginalGriff 26-Jan-18 4:10am

Look at the menu bar under "Help" - there are "Getting started" quickstarts, a tutorial, Regex reference, etc... All pretty comprehensive.

Patrice T · Accepted Answer · 2018-01-25T21:36:00

Solution 2

Quote:
i hava some date all of same 7788ASD I want split and only "A" i want

What about reading C# documentation?
String.Substring Method (Int32, Int32) (System)[^]

Posted 25-Jan-18 21:36pm

Patrice T

Karthik_Mahalingam · Accepted Answer · 2018-01-25T22:11:00

Solution 3

try

String character =   dataGridView3.CurrentRow.Cells[1].Value.ToString();
           string result = "";
           if (character.Length >= 5)
               result = character.Substring(4, 1);

Posted 25-Jan-18 22:11pm

Karthik_Mahalingam