You can send your value and in new for store it to your general data types:
string value1,value2;
int value3,value4;
protected void btn_click(objectbtn sender, eventarg e)
{
from2 obj=new from2(value1,value2,value3,value4);
obj.show();
}
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In new form do this:
public class form2
{
string value1,value2;
int value3,value4;
form2(string value1,string value2,int value1,int value2)
{
this.value1=value1;
this.value2=value2;
this.value3=value3;
this.value4=value4;
}
}