hot to filter datagridview according two datetimepicker

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my SQL database table column is:
date varchar(50)
while inserting value in date column in below format:
dtpdate.Value.ToString("dd/MMM/yyyy")
now another form i have two datetimepickeer and a datagridview.1st dtp set by user from date and 2nd to date and datagridview show the record as per above date
i have using below code for do that but is show value only if i entered same date of both dtp , please help ?
da = new SqlDataAdapter("select * from Booking where date between '" + dateTimePicker1.Value.ToString("dd/MMM/yyyy") + "' and '" + dateTimePicker2.Value.ToString("dd/MMM/yyyy") + "'", con);
ds = new DataSet();
da.Fill(ds, "Booking");
dataGridView1.DataSource = ds.Tables[0];

Posted 19-Oct-15 23:36pm

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DamithSL · Answer 1 · 2015-10-19T23:45:00

Don't save date as string, first change the column to a Date type or DateTime in your database
Then save dtpdate.Value.Date in the database.

when you load data, use parameters and set the parameter values as below

C#

da = new SqlDataAdapter("select * from Booking where date between @date1 and @date2");
da.SelectCommand.Parameters.AddWithValue("@date1",dateTimePicker1.Value.Date);
da.SelectCommand.Parameters.AddWithValue("@date2",dateTimePicker2.Value.Date);