private void Form1_Load(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("Uname", typeof(System.String));
dt.Columns.Add("Password", typeof(System.String));
DataRow dr = dt.NewRow();
dr[0] = "venkatesh";
dr[1] = "venkatesh@123";
dt.Rows.Add(dr);
dataGridView1.DataSource = dt;
}
private void dataGridView1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
if (e.ColumnIndex == 1)
{
if (e.Value != null)
{
string str = new string('*',e.Value.ToString().Length);
e.Value = str;
}
}
}