SAVING TEXT BOX VALUE IN TO DATABASE IF NOT EXISTS AGAIN

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hi this is small but i am new so please guide

i had one textbox which i will be saving its value in to the databse if it is not null on click of button but here is i need help the value which i am saving is if already exists in the databse table i should get a message on my screen record already exists...please suggest

Posted 16-Dec-13 19:48pm

spanner21

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2 solutions

Solution 1

You have to check first in table with if condition...:)

SQL

if(select * from users where name=@name <> '')
BEGIN
	INSER INTO......
END

Posted 16-Dec-13 19:53pm

Nirav Prabtani

Updated 16-Dec-13 19:58pm

v2

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An@nd Rajan10 · Accepted Answer · 2013-12-16T19:54:00

try this code...

C#

qry = "select * from department_master where dep_code='" + txt_code_add.Text + "'";
               sql_cmd = new SqlCommand(qry, sql_con);
               sql_con.Open();
               sql_rs = sql_cmd.ExecuteReader();
               if (sql_rs.Read())
               {
                   //"*The code already existing,Please change your code";
               }
               else
               {
                   //Write insert query
               }

i hope this code helps you a bit..