如何更新数据库值 [英] how to update database value
本文介绍了如何更新数据库值的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
这是我的代码
This is my code
protected void Page_Load(object sender, EventArgs e)
{
userdetails();
}
public void userdetails()
{
con.Open();
SqlCommand cmd = new SqlCommand("select * from freeuserdetails where UserName='" + Session["username"] + "'", con);
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
txtuname.Text = dr["UserName"].ToString();
txtmailid.Text = dr["MailId"].ToString();
txtdob.Text = dr["DOB"].ToString();
txtmobileno.Text = dr["MobileNo"].ToString();
txtaddress.Text = dr["Address"].ToString();
cmd.Dispose();
}
con.Close();
}
protected void btnupdate_Click(object sender, ImageClickEventArgs e)
{
con.Open();
SqlCommand cmd = new SqlCommand("update freeuserdetails set MailId='" + txtmailid.Text + "',DOB='" + txtdob.Text + "',MobileNo='" + txtmobileno.Text + "',Address='" + txtaddress.Text + "' where UserName='" + txtuname.Text + "'", con);
cmd.ExecuteNonQuery();
con.Close();
}
如果我单击更新按钮,则旧数据库值将更新........
如何更新数据库值...
if i click the update button the old database values are updated ........
How to update the database values...
推荐答案
//Call userdetails() funtion in page load
if(!IsPostBack)
{
userdetails();
}
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