如何在Windows窗体应用程序的表中添加记录

Question

i am working on some data entry program in windows form, i write the following code on button click event to add records in table but records doesn't add it gives me an error of execute non query

private void button2_Click(object sender, EventArgs e)        
{             
    SqlConnection con = new SqlConnection("Data Source=JASMEETSINGH-PC;Initial Catalog=Desnet;Integrated Security=True"); 
    con.Open();   
    SqlCommand cmd = new SqlCommand("Insert into BillEntry values('" + textBox1.Text + "', '" + textBox2.Text + "', '" + textBox3.Text + "', '" + dateTimePicker1.DataBindings + "', '" + textBox4.Text + "', '" + dateTimePicker2.DataBindings + "', '" + radioButton1.DataBindings + "', '" + radioButton2.DataBindings                 + "', '" + textBox5.Text + "','" + textBox6.Text + "','" + textBox7.Text + "','" + textBox8.Text + "','" + textBox9.Text + "','" + textBox10.Text + "')", con);     
    int i = cmd.ExecuteNonQuery();  
    if (i > 0)           
    {                 
        label15.Text = "Record Added Successfully";            
    } 
}

data type used:- varchar(10) varchar(100) varchar(20) date varchar(25) date char(3) float float float varchar(20) varchar(50) float

Answer 1

检查单引号和双引号可能是问题所在，因为我们使用了“”“'，但是对于int