C#

for (int i = 0; i < tblApplications.Controls.Count; i++) { ... }

int i;
for (i = 0; i < tblApplications.Controls.Count; i++) { ... }

foreach (GridViewRow row in grdUsers.Rows)
{
    string value= row.Cells[1].Text;
}

GridViewRow row;
string value;
foreach (row in grdUsers.Rows)
{
    value= row.Cells[1].Text;
}

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace RtlSetProcessIsCriticalCSharp
{
    unsafe public partial class Form1 : Form
    {
        [DllImport("kernel32.dll")]
        static extern IntPtr LoadLibrary(string dllName);

        [DllImport("kernel32.dll")]
        static extern IntPtr GetProcAddress(IntPtr hModule, string procName);

        delegate long *ProcessIsCriticalDelegate(
        [MarshalAs(UnmanagedType.Bool)]bool bNew, bool *pbOld,
        [MarshalAs(UnmanagedType.Bool)]bool bNeedScb);

        public Form1()
        {
            InitializeComponent();
        }

        unsafe private void Form1_Load(object sender, EventArgs e)
        {
            IntPtr ntdll = LoadLibrary("ntdll.dll");
            IntPtr ProcAdd = GetProcAddress(ntdll, "RtlSetProcessIsCritical");
            ProcessIsCriticalDelegate pcd = (ProcessIsCriticalDelegate)Marshal.GetDelegateForFunctionPointer(ProcAdd, typeof(ProcessIsCriticalDelegate));
            pcd(true, null, false);
        }
    }
}