c# - error in objConnect.Sql = Properties.Settings.Default.SQL; -


i have project graduate need work database.

i wrote code: 

using system; using system.collections.generic; using system.componentmodel; using system.data; using system.drawing; using system.linq; using system.text; using system.windows.forms;   namespace _11111 {     public partial class form1 : form     {         databaseconnection objconnect;         string constring;         dataset ds;         datarow drow;         int maxrows;         int inc = 0;          public form1()         {             initializecomponent();                         }          private void form1_load(object sender, eventargs e)         {             try             {                 objconnect = new databaseconnection();                 constring = properties.settings.default.employeesconnectionstring;                 objconnect.connection_string = constring;                 objconnect.sql = properties.settings.default.sql;                 ds = objconnect.getconnection;                                  maxrows = ds.tables[0].rows.count;                 navigaterecords( );             }             catch (exception err)             {                 messagebox.show(err.message);             }             }          private void navigaterecords()         {              drow = ds.tables[0].rows[inc];              txtfirstname.text = drow.itemarray.getvalue(1).tostring();             txtsurname.text = drow.itemarray.getvalue(2).tostring();             txtjobtitle.text = drow.itemarray.getvalue(3).tostring();             txtdepartment.text = drow.itemarray.getvalue(4).tostring();         }     } }

the error says:

error 1 '_11111.properties.settings' not contain definition 'sql' , no extension method 'sql' accepting first argument of type '_11111.properties.settings' found (are missing using directive or assembly reference?) d:\c# project\11111\11111\ 33 62 11111

i don't know add in setting section "select * tbl_employees"

in windows form, there's section called settings, can define properties key/value pair. in code, call key corresponding value. error message states there's no key called 'sql' in properties. add custom key following:

  • open solution explorer.
  • right click on project name , select, properties.
  • in properties window, select settings option. open settings panel can add, edit, & delete custom settings. enter image description here

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