.NET (Core and Framework)

void dataGrid _EditingControlShowing(object  sender, DataGridViewEditingControlShowingEventArgs  e)
{
    DataGridView dgr = (DataGridView)sender;
    if (dgr.CurrentCell.ColumnIndex == 2)
    {
        if (e.Control is TextBox)
        { 
            TextBox tb = e.Control as TextBox;
            tb.KeyPress += new KeyPressEventHandler(tb_KeyPress);
        }
    }
} 

void tb_KeyPress(object sender, KeyPressEventArgs e)
{
    if (!(char.IsDigit(e.KeyChar)))
    {
        if (e.KeyChar == Keys.Enter) //allow the backspace key and decimal point
        {
            //Write you code here to retrieve values of other three columns of datagrid.
            e.Handled = true;
        }
    }
}

string cmd = string.Format(@"-u{0} -p{1} -h{2} {3} <(4)", "dfs", "sf#", "localhost", '"' + temple1 + '"', "E:\\BackupMysql1\\temple.sql");

ProcessStartInfo proc = new ProcessStartInfo(@"[FullPath]\mysql.exe");

string cmd = string.Format(@"C:\wamp\bin\mysql\mysql5.1.36\bin\mysql.exe -u {0} -p -h {1} {2} < {3}", "root", "localhost", "test123", @"C:\wamp\bin\mysql\mysql5.1.36\bin\wp.sql");

ProcessStartInfo proc = new ProcessStartInfo("cmd", @"/C " + cmd);

//Avoid defining following two arguments
//proc.RedirectStandardInput = true;
//proc.RedirectStandardOutput = true;

proc.UseShellExecute = false;

Process p = new Process();
p.StartInfo = proc;
p.Start();
p.WaitForExit();

string cmd = string.Format(@"C:\Program Files\MySQL\MySQL Server 5.0\bin\cmd.exe -u{0} -p -h{1} (2) < {3} ", "root", "localhost", '"' + database + '"', "E:\\BackupMysql1\\temple.sql");

string cmd = string.Format(@"C:\Program Files\MySQL\MySQL Server 5.0\bin\mysql.exe -u{0} -p -h{1} (2) < {3} ", "root", "localhost", '"' + database + '"', "E:\\BackupMysql1\\temple.sql");

[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
public static extern int GetShortPathName(
[MarshalAs(UnmanagedType.LPTStr)]
string path,
[MarshalAs(UnmanagedType.LPTStr)]
StringBuilder shortPath,
int shortPathLength
);
       
public static void Main()
{
    StringBuilder shortPath = new StringBuilder(255);
    GetShortPathName(@"D:\My Temp\ResourseProvider\sql.txt", shortPath, shortPath.Capacity);
    Console.WriteLine(shortPath.ToString());
}

E:\MYTEMP~1\RESOUR~1\sql.txt

I are Troll

Imports System
Imports System.Runtime.InteropServices
Imports System.Text

Namespace Test
	Class Program
		<DllImport("kernel32.dll", CharSet := CharSet.Auto)> _
		Public Shared Function GetShortPathName( _
			<MarshalAs(UnmanagedType.LPTStr)> path As String, _
			<MarshalAs(UnmanagedType.LPTStr)> shortPath As StringBuilder, _
			shortPathLength As Integer _
			) As Integer
		End Function

		Public Shared Sub Main()
			Dim shortPath As New StringBuilder(255)
			GetShortPathName( _
				"E:\My Temp\ResourseProvider\sql.txt", _
				shortPath, _
				shortPath.Capacity)
			Console.WriteLine(shortPath.ToString())
			Console.ReadKey()
		End Sub
	End Class
End Namespace

I are Troll