Hi,
Please refer below code.
C#
string connectionString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
SqlConnection con = new SqlConnection(connectionString);
for (int i = 0; i < 5; i++)
{
    using (SqlCommand cmd = new SqlCommand("ProcedureName"))
    {
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.Parameters.AddWithValue("@EMPLOYEE_NAME", "ahmad");
        cmd.Parameters.AddWithValue("@EMPLOYEE_AGE", "12years");
        cmd.Connection = con;
        con.Open();
        cmd.ExecuteScalar();
        con.Close();
    }
}
VB
Dim connectionString As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
Dim con As New SqlConnection(connectionString)
For i As Integer = 0 To 4
	Using cmd As New SqlCommand("ProcedureName")
		cmd.CommandType = CommandType.StoredProcedure
		cmd.Parameters.AddWithValue("@EMPLOYEE_NAME", "ahmad")
		cmd.Parameters.AddWithValue("@EMPLOYEE_AGE", "12years")
		cmd.Connection = con
		con.Open()
		cmd.ExecuteScalar()
		con.Close()
	End Using
Next
I hope this will help you out.