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Retrieve Information from Database & Display into ASP.NET Web Controls Textbox
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Join Date: Jun 2005
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I am creating a update member page. I would like the page to auto retrieve the information he or she originally used while registering on my site and display them into the individual textboxes of the update profile page, this is to prevent the hassle to rekey in every individual details and allow the user to edit what he or she wants before it is updated into the database.
I am having problem retrieving information from the database and displaying them into the individual asp.net web text boxes. I am trying to use SQL DataAdapter or SQL Reader, but both fails. Some help to resolve this problem please, an example with code snippets will be very much appreciated. :rolleyes:
I am having problem retrieving information from the database and displaying them into the individual asp.net web text boxes. I am trying to use SQL DataAdapter or SQL Reader, but both fails. Some help to resolve this problem please, an example with code snippets will be very much appreciated. :rolleyes:
ASP.NET Syntax (Toggle Plain Text)
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load displayrecord() End If Private Sub displayrecord() SqlConnection1.Open() Dim SqlDataAdapter1 As New SqlDataAdapter("SELECT * FROM Member", SqlConnection1) Dim objReader As SqlDataReader Dim SqlCommand1 As New SqlCommand("SELECT * FROM Member", SqlConnection1) SqlDataAdapter1.Fill(dsMember) objReader = SqlCommand1.ExecuteReader() objReader.Read() txtbox_user.Text = objReader("MemberUserName") txtbox_password.Text = objReader("MemberPassword") txtbox_confirmpass.Text = objReader("MemberPassword") txtbox_name.Text = objReader("MemberName") txtbox_birthdate.Text = objReader("MemberDOB") txtbox_nric.Text = objReader("NRIC") txtbox_address.Text = objReader("MemberAddress") txtbox_contact.Text = objReader("MemberPhone") txtbox_email.Text = objReader("MemberEmail") Dropdown_Gender.SelectedValue = objReader("Gender") DropDown_Age.SelectedValue = objReader("Age") DropDown_Income.SelectedValue = objReader("Income") DropDown_Children.SelectedValue = objReader("NumofChildren") DropDown_HearUs.SelectedValue = objReader("HowDidYouKnowAboutUs") objReader.Close() SqlConnection1.Close() End Sub
Last edited by Paladine; Sep 8th, 2005 at 1:45 pm. Reason: PLEASE USE CODE BLOCKS! Thx
Re: Retrieve Information from Database & Display into ASP.NET Web Controls Textbox
0
#2 Sep 8th, 2005
you can use data reader for this,
command = new SqlCommand("SELECT * FROM Member",sqlConnection );
command.CommandType = CommandType.StoredProcedure;
try
{
sqlConnection.Open();
reader=command.ExecuteReader();
while (reader.Read())
{
//if it is a text box
txtbox_user.Text=reader.IsDBNull(reader.GetOrdinal("MemberUserName"))? null: reader["MemberUserName"].ToString();
//if it is a dropdown put defalut value 0 or 1, what ever value you use.
DropDown_Children.SelectedValue=Convert.ToString(reader.IsDBNull(reader.GetOrdinal("NumofChildren")) ? (int)0 : (int)reader["NumofChildren"]);
}
}
catch(Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
reader.Close();
sqlConnection.Close();
} Last edited by Paladine; Sep 8th, 2005 at 1:47 pm. Reason: PLEASE USE CODE BLOCKS - THANKS!!!!!!!!!!
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Re: Retrieve Information from Database & Display into ASP.NET Web Controls Textbox
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#3 Sep 8th, 2005
Hi Aish,
I do not understand what is this line of code is doing except a rough guess that it is trying to read the column MemberUserName. Would you mind explaining it to me? In addition, i am writing this code using ASP.NET with VB. Would you mind tuning this part of the codes that i have quoted into ASP.NET with VB as i am having a hard time trying to fix it into that. :o
//if it is a text box
txtbox_user.Text=reader.IsDBNull(reader.GetOrdinal("MemberUserName"))? null: reader["MemberUserName"].ToString();
//if it is a dropdown put defalut value 0 or 1, what ever value you use.
DropDown_Children.SelectedValue=Convert.ToString(reader.IsDBNull(reader.GetOrdinal("NumofChildren")) ? (int)0 : (int)reader["NumofChildren"]);
I do not understand what is this line of code is doing except a rough guess that it is trying to read the column MemberUserName. Would you mind explaining it to me? In addition, i am writing this code using ASP.NET with VB. Would you mind tuning this part of the codes that i have quoted into ASP.NET with VB as i am having a hard time trying to fix it into that. :o
//if it is a text box
txtbox_user.Text=reader.IsDBNull(reader.GetOrdinal("MemberUserName"))? null: reader["MemberUserName"].ToString();
//if it is a dropdown put defalut value 0 or 1, what ever value you use.
DropDown_Children.SelectedValue=Convert.ToString(reader.IsDBNull(reader.GetOrdinal("NumofChildren")) ? (int)0 : (int)reader["NumofChildren"]);
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Originally Posted by aish
you can use data reader for this,
command = new SqlCommand("SELECT * FROM Member",sqlConnection );
command.CommandType = CommandType.StoredProcedure;
try
{
sqlConnection.Open();
reader=command.ExecuteReader();
while (reader.Read())
{
//if it is a text box
txtbox_user.Text=reader.IsDBNull(reader.GetOrdinal("MemberUserName"))? null: reader["MemberUserName"].ToString();
//if it is a dropdown put defalut value 0 or 1, what ever value you use.
DropDown_Children.SelectedValue=Convert.ToString(reader.IsDBNull(reader.GetOrdinal("NumofChildren")) ? (int)0 : (int)reader["NumofChildren"]);
}
}
catch(Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
reader.Close();
sqlConnection.Close();
}
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Join Date: Feb 2005
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Re: Retrieve Information from Database & Display into ASP.NET Web Controls Textbox
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#4 Sep 11th, 2005
Naters,
I've seen an error already, look at the code.
Why do you have a closing "End If" on the Sub Page_Load were you don't have an opening If? That should be End Sub
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
displayrecord()
End If
Post the the SQL error message that way it is easy to troubleshoot.
Dexter Zafra
http://www.myasp-net.com
I've seen an error already, look at the code.
Why do you have a closing "End If" on the Sub Page_Load were you don't have an opening If? That should be End Sub
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
displayrecord()
End If
Post the the SQL error message that way it is easy to troubleshoot.
Dexter Zafra
http://www.myasp-net.com
Dexter Zaf
Ex-designz.net
Ex-designz.net
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Re: Retrieve Information from Database & Display into ASP.NET Web Controls Textbox
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#5 Aug 7th, 2006
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Originally Posted by Naters_uk
I am creating a update member page. I would like the page to auto retrieve the information he or she originally used while registering on my site and display them into the individual textboxes of the update profile page, this is to prevent the hassle to rekey in every individual details and allow the user to edit what he or she wants before it is updated into the database.
I am having problem retrieving information from the database and displaying them into the individual asp.net web text boxes. I am trying to use SQL DataAdapter or SQL Reader, but both fails. Some help to resolve this problem please, an example with code snippets will be very much appreciated. :rolleyes:
ASP.NET Syntax (Toggle Plain Text)
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load displayrecord() End If Private Sub displayrecord() SqlConnection1.Open() Dim SqlDataAdapter1 As New SqlDataAdapter("SELECT * FROM Member", SqlConnection1) Dim objReader As SqlDataReader Dim SqlCommand1 As New SqlCommand("SELECT * FROM Member", SqlConnection1) SqlDataAdapter1.Fill(dsMember) objReader = SqlCommand1.ExecuteReader() objReader.Read() txtbox_user.Text = objReader("MemberUserName") txtbox_password.Text = objReader("MemberPassword") txtbox_confirmpass.Text = objReader("MemberPassword") txtbox_name.Text = objReader("MemberName") txtbox_birthdate.Text = objReader("MemberDOB") txtbox_nric.Text = objReader("NRIC") txtbox_address.Text = objReader("MemberAddress") txtbox_contact.Text = objReader("MemberPhone") txtbox_email.Text = objReader("MemberEmail") Dropdown_Gender.SelectedValue = objReader("Gender") DropDown_Age.SelectedValue = objReader("Age") DropDown_Income.SelectedValue = objReader("Income") DropDown_Children.SelectedValue = objReader("NumofChildren") DropDown_HearUs.SelectedValue = objReader("HowDidYouKnowAboutUs") objReader.Close() SqlConnection1.Close() End Sub
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Re: Retrieve Information from Database & Display into ASP.NET Web Controls Textbox
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#6 Sep 1st, 2009
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