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The SQL=query does not accept variables from C# code. You'll have to find another way to do it. Thinking about it, it'll probably be simply called "Product" in the database-server, not "dtProduct". Try changing that 
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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hi, i know "SQL=query does not accept variables from C# code" Actually this is my problem! how i can join datatable with Table ? do you have any solution for this work? thanks a lot! 
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Dear Group Members,
I am using Lucene.net for building a search engine. In course of development I came across providing filters to the search.
As I went through the Lucene documentation I came across ChainedFilter. It is a way to combine multiple filters together. However this class is not available in any of the assemblies (ver 3.0.3). The same is confirmed by multiple blog-posts. But I didn't come across any post where it is mentioned, what can be the performant way to club multiple filters together and provide it to Search().
Can someone please provide some input related to this.
Regards,
Shubhanshu
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Lucene.net Mailing Lists[^] is where you go to ask the community of Lucene.net developers. You're not going to find a larger group of people who have used that library anywhere else.
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Thanks Dave.
I have contacted in the specified forum by you.
Regards,
Shubhanshu
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i'am trying to opening sub form but main form must be reduce how to add the code 
I'am write using C# 2008.Thanks
Program.cs
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Linq;
namespace Mail_Gmail
{
static class Program
{
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Main_Form());
}
}
}
Main_Form.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Main_Form
{
public partial class Main_Form : Form
{
public Main_Form()
{
InitializeComponent();
}
private void HelpToolStripMenuItem_Click(object sender, EventArgs e)
{
Form2 fo = new Form2();
fo.ShowDialog();
}
private void menuToolStripMenuItem_Click(object sender, EventArgs e)
{
}
private void enkripsiDanDekripsiToolStripMenuItem_Click(object sender, EventArgs e)
{
Form1 fo = new Form1();
fo.ShowDialog();
}
private void ExitToolStripMenuItem_Click(object sender, EventArgs e)
{
}
private void menuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
}
private void ExitToolStripMenuItem1_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Do You want to close ???", "Confirm",
MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
Application.Exit();
}
}
private void MessageSendToolStripMenuItem_Click(object sender, EventArgs e)
{
}
private void emailAttachmentToolStripMenuItem_Click(object sender, EventArgs e)
{
Form4 fo = new Form4();
fo.ShowDialog();
}
private void ExitToolStripMenuItem2_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Do yo want to close ini ???", "Confirm",
MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
Application.Exit();
}
}
private void GmailToolStripMenuItem1_Click(object sender, EventArgs e)
{
Form1 fo = new Form1();
fo.ShowDialog();
}
private void SendToToolStripMenuItem_Click(object sender, EventArgs e)
{
Form5 fo = new Form5();
fo.ShowDialog();
}
private void UseThisApplicationToolStripMenuItem_Click(object sender, EventArgs e)
{
Form2 fo = new Form2();
fo.ShowDialog();
}
}
}
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Simple:
MyForm mf = new MyForm();
Hide();
mf.ShowDialog();
Show();
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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Thanks 
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KaKoten wrote: i'am trying to opening sub form but main form must be reduce how to add the code
You mean "minimized"? I wouldn't recommend that, as a minimized form should not be displaying stuff.
You might want to set the parent of the sub-form though;
fo.ShowDialog(this);
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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thanks for the answer 
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When I load my page it shows error:
<pre>Server Error in '/' Application.
Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0246: The type or namespace name 'UserInfoaa' could not be found (are you missing a using directive or an assembly reference?)
Source Error:
Line 176: }
Line 177:
Line 178: public virtual UserInfoaa UserInfoaa {
Line 179: get {
Line 180: return ((UserInfoaa)(this.GetPropertyValue("UserInfoaa")));
Source File: c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\c367d58a\7b408850\App_Code.d_07k52h.1.cs Line: 178 </pre>
My default.aspx Code is:
<pre>using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Security;
using System.Web.Profile;
using System.Text;
namespace WebApplication2
{
public partial class Dfault : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
public void submit_Click(object sender, EventArgs e)
{
MembershipCreateStatus createStatus;
MembershipUser newUser = Membership.CreateUser(username.Text, password.Text, email.Text, null, null, true, out createStatus);
saveprofile();
}
public void saveprofile()
{
ProfileCommonaa Profile = new ProfileCommonaa();
Profile.UserInfoaa.Name = name.Text;
Profile.Save();
}
}
}</pre>
My UserInfoaa class code is:
<pre lang="css">using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace WebApplication2
{
[Serializable()]
public class UserInfoaa
{
#region variables
private string name;
private string dateofbirth;
private string birthplace;
private string place;
private string languages;
private string aboutme;
private string employer;
private string project;
private string designation;
private string university;
#endregion variables
#region Properties
public string Name
{
get { return name; }
set { name = value; }
}
public string DateofBirth
{
get { return dateofbirth; }
set { dateofbirth = value; }
}
public string Languages
{
get { return languages; }
set { languages = value; }
}
public string BirthPlace
{
get { return birthplace; }
set { birthplace = value; }
}
public string Place
{
get { return place; }
set { place = value; }
}
public string AboutMe
{
get { return aboutme; }
set { aboutme = value; }
}
public string Employer
{
get { return employer; }
set { employer = value; }
}
public string Project
{
get { return project; }
set { project = value; }
}
public string Designation
{
get { return designation; }
set { designation = value; }
}
public string University
{
get { return university; }
set { university = value; }
}
#endregion Properties
#region Constructors
public UserInfoaa()
{
}
public UserInfoaa(string _name, string _dateofbirth, string _birthplace, string _place, string _languages, string _aboutme, string _employer, string _project, string _designation, string _university)
{
name = _name;
dateofbirth = _dateofbirth;
birthplace = _birthplace;
place = _place;
languages = _languages;
aboutme = _aboutme;
employer = _employer;
project = _project;
designation = _designation;
university = _university;
}
#endregion Constructors
}
}</pre>
Class1 for ProfileCommonaa is:
<pre lang="cs">using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Profile;
using System.Text;
using System.Web.Security;
using System.Web.UI;
namespace WebApplication2
{
public class ProfileGroupBasicInfoaa : System.Web.Profile.ProfileGroupBase
{
public virtual string Place
{
get
{
return ((string)(this.GetPropertyValue("Place")));
}
set
{
this.SetPropertyValue("Place", value);
}
}
public virtual string BirthPlace
{
get
{
return ((string)(this.GetPropertyValue("BirthPlace")));
}
set
{
this.SetPropertyValue("BirthPlace", value);
}
}
public virtual System.DateTime DateofBirth
{
get
{
return ((System.DateTime)(this.GetPropertyValue("DateofBirth")));
}
set
{
this.SetPropertyValue("DateofBirth", value);
}
}
public virtual string Name
{
get
{
return ((string)(this.GetPropertyValue("Name")));
}
set
{
this.SetPropertyValue("Name", value);
}
}
public virtual string AboutMe
{
get
{
return ((string)(this.GetPropertyValue("AboutMe")));
}
set
{
this.SetPropertyValue("AboutMe", value);
}
}
public virtual string Languages
{
get
{
return ((string)(this.GetPropertyValue("Languages")));
}
set
{
this.SetPropertyValue("Languages", value);
}
}
}
public class ProfileGroupProfessionlProfileaa : System.Web.Profile.ProfileGroupBase
{
public virtual string Designation
{
get
{
return ((string)(this.GetPropertyValue("Designation")));
}
set
{
this.SetPropertyValue("Designation", value);
}
}
public virtual string Employer
{
get
{
return ((string)(this.GetPropertyValue("Employer")));
}
set
{
this.SetPropertyValue("Employer", value);
}
}
public virtual string University
{
get
{
return ((string)(this.GetPropertyValue("University")));
}
set
{
this.SetPropertyValue("University", value);
}
}
public virtual string Project
{
get
{
return ((string)(this.GetPropertyValue("Project")));
}
set
{
this.SetPropertyValue("Project", value);
}
}
}
public class ProfileCommonaa : System.Web.Profile.ProfileBase
{
public virtual string Employer
{
get
{
return ((string)(this.GetPropertyValue("Employer")));
}
set
{
this.SetPropertyValue("Employer", value);
}
}
public virtual string Name
{
get
{
return ((string)(this.GetPropertyValue("Name")));
}
set
{
this.SetPropertyValue("Name", value);
}
}
public virtual string Place
{
get
{
return ((string)(this.GetPropertyValue("Place")));
}
set
{
this.SetPropertyValue("Place", value);
}
}
public virtual string Languages
{
get
{
return ((string)(this.GetPropertyValue("Languages")));
}
set
{
this.SetPropertyValue("Languages", value);
}
}
public virtual UserInfoaa UserInfoaa
{
get
{
return ((UserInfoaa)(this.GetPropertyValue("UserInfoaa")));
}
set
{
this.SetPropertyValue("UserInfoaa", value);
}
}
public virtual string AboutMe
{
get
{
return ((string)(this.GetPropertyValue("AboutMe")));
}
set
{
this.SetPropertyValue("AboutMe", value);
}
}
public virtual string Project
{
get
{
return ((string)(this.GetPropertyValue("Project")));
}
set
{
this.SetPropertyValue("Project", value);
}
}
public virtual string BirthPlace
{
get
{
return ((string)(this.GetPropertyValue("BirthPlace")));
}
set
{
this.SetPropertyValue("BirthPlace", value);
}
}
public virtual System.DateTime DateofBirth
{
get
{
return ((System.DateTime)(this.GetPropertyValue("DateofBirth")));
}
set
{
this.SetPropertyValue("DateofBirth", value);
}
}
public virtual string Designation
{
get
{
return ((string)(this.GetPropertyValue("Designation")));
}
set
{
this.SetPropertyValue("Designation", value);
}
}
public virtual string University
{
get
{
return ((string)(this.GetPropertyValue("University")));
}
set
{
this.SetPropertyValue("University", value);
}
}
public virtual ProfileGroupBasicInfoaa BasicInfo
{
get
{
return ((ProfileGroupBasicInfoaa)(this.GetProfileGroup("BasicInfo")));
}
}
public virtual ProfileGroupProfessionlProfileaa ProfessionlProfile
{
get
{
return ((ProfileGroupProfessionlProfileaa)(this.GetProfileGroup("ProfessionlProfile")));
}
}
public virtual ProfileCommonaa GetProfileaa(string username)
{
return ((ProfileCommonaa)(ProfileBase.Create(username)));
}
}
}</pre>
Please help! thanks in advance
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Quote: are you missing a using directive or an assembly reference?
Add the assembly (dll) where UserInfoaa is defined.
Make sure that that assembly does not have a "zone identifier" with the value of "Internet" (on the level of the NTFS file system).
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how to adding code message box to successful message sending and i'am have to failed sent but successful nothing. this is the source code use c# 2008. Thanks for help me
private void button_Send(object sender, EventArgs e)
{
if (textBox1.Text == "" || textBox2.Text == quot;" || textBox3.Text == "")
{
MessageBox.Show("Please Fill Required field");
}
else
try
{
obj_SMTPClient = new SmtpClient("smtp.gmail.com");
Obj_MailMsg = new MailMessage();
obj_Attachment = new System.Net.Mail.Attachment(label3.Text);
Obj_MailMsg.From = new MailAddress(textBox1.Text);
Obj_MailMsg.To.Add(textBox3.Text);
Obj_MailMsg.Body = textBox5.Text;
Obj_MailMsg.Attachments.Add(obj_Attachment);
Obj_MailMsg.Subject = textBox4.Text;
SmtpClient smtps = new SmtpClient("smtp.gmail.com", 587);
obj_SMTPClient.Credentials = new NetworkCredential();
obj_SMTPClient.Port = 587;
obj_SMTPClient.Credentials = new System.Net.NetworkCredential(textBox1.Text, textBox2.Text);
obj_SMTPClient.EnableSsl = true;
obj_SMTPClient.Send(Obj_MailMsg);
}
catch
{
MessageBox.Show("Sorry TimeOut");
}
}
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Try:
obj_SMTPClient.EnableSsl = true;
obj_SMTPClient.Send(Obj_MailMsg);
MessageBox.Show("Sent successfully");
}
catch
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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You're welcome!
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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Hi ALL !
I want to execute this by OledbDataReader when I want to take ... :
string CalcQuery = @"SELECT SUM(BuyAmount) From SubTblMetal WHERE IDMetal=" + int.Parse(txtId.ToString());
OleDbCommand cmdCacl;
cnnCalc.Open();
cmdCacl = new OleDbCommand(CalcQuery, cnnCalc);
OleDbDataReader dr;
dr = cmdCacl.ExecuteReader();
if (dr.HasRows==false)
{
txtBuyAmount.Text = "0";
throw new Exception();
}
else if (dr.Read())
{
txtBuyAmount.Text = dr[0].ToString();
}
But when my DataReader has not any row ,I have an error for the value of txtBuAmount.Text
please Help , how can get the value of Zero (0) , when dataRow has not any row(value).
Thanks a lot !
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First off, please use a parameterized query rather than concatenating the value into the statement.
Next, don't trust HasRows.
Also, why is that throw in there?
As you are expecting at most one value, you might do better with ExecuteScalar and then test for DBNull.Value (for when ther are no matching records).
You'll never get very far if all you do is follow instructions.
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Very nicely explained 
If You Never Try You’ll Never Know
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I want To do This :
BuyAmount.Text = "0";
When there is No Row in dataReader
thanks
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I understand, but are there ever no rows? Or do you get a NULL (DBNull.Value) when there are no matching rows?
Even if you do get no rows, it's better to handle that with an else on the other if. You don't need two ifs; you don't need to test HasRows.
HasRows is not a member of the IDataReader[^] interface so you can't count on it being in every database system you use (if you ever have to use multiple database system, like I do). Every time I've tried to use HasRows I got burnt.
You'll never get very far if all you do is follow instructions.
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Yes , thanks , I use If and else when dbIsNull . It works .
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Hello everybody!
At first, I was making a mood(emotion) detection desktop app in real time from a web camera using Human Emotion Detection from Image[^] as reference, but unfortunately, I failed at this. 
Then , I tried something else ; I searched for a pre-made mood detection in real time app to integrate it as out-tool program. So, I found at http://www.ginktage.com/2011/08/using-face-api-in-c/[^] that there was an API web site called www.face.com which provided what I wanted and a library for c#  . But again, unfortunately, it doesn't exist anymore. 
So, my question is:
Do you know something similar to www.face.com for mood detection in real time , which can be used in c# and can you give examples how to use it in c#?  Or at least, a c# open source program for mood detection in real time? 
Thank you in advance for your help! 
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Intel provides the RealSense SDK which has this capability.
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