How to insert null in datetime type column in sql server

Question

I have a table in which there are some datetime type columns. I use a stored procedure to insert values into the table. In the stored procedure I have variables that accept null

Answer 1

Try using:

if (string.IsNullOrWhiteSpace(InsertDate.Text))
{
    cmd1.Parameters["@InsertDate"].Value = getDate;
}
else
{
    cmd1.Parameters["@InsertDate"].Value = InsertDate.Text;
}