what is the code of concate two different data type column in singal column?

mani-hellboy commented: tell clearly in which colomn database or in front end (datagrid,gridview or....) +0

hello !
for example we have two variables

int first ;
string second ;
string Final;
first = 23;
second = "rollNo";

//you can concatenate them like this 
Final = second + "=" + first;

hope this will helps you

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