thuyson

The problem is when I enter a string or a name in the edittext, it cannot be appeared in the textview after i press the button "Send request". I don't know how to fix it. Please help me! package com.androidexample.httpgetexample; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; …

i want to export all data in sql 2005 database to excel file but i don't know! Please help me! Thanks so much!

[CODE] private void btThem_Click(object sender, EventArgs e) { for(int i=0;i<dataGridView1.Rows.Count-1;i++) { if(dataGridView1.Rows[i].Cells["Checked"].Value ==true) { cmTheoHocLop.Parameters["@X"].Value = tbMSSV.Text; cmTheoHocLop.Parameters["@Y"].Value = dataGridView1.Rows[i].Cells["MaLop"].Value; sqlConnection1.Open(); cmTheoHocLop.ExecuteNonQuery(); sqlConnection1.Close(); } } } [/CODE] it has a error :Error 3 Operator '==' cannot be applied to operands of type 'object' and 'bool' D:\lvthao\QLHP\QLHP\FrmDKHP.cs 48 20 QLHP Thanks …

i have 2 datagridview :dgvClass and dgvStudent dgvClass shows all classes' information,when user selected a row(one class) in dgvClass,then dgvStudent will show all information of students who registered this class. Please help me!

i have a datagridview with last column is a checkbox.When user check on a row or rows, i will add columns' contents on that row into a new row in sql database. Please help me! Thank you so much!

i have 4 textboxes,i want to print textboxes' content at arbitrary coordinate on paper but i don't know.I use crystal report to print! Please help me! Thanks so much!

i want to insert textbox's content into money column in sql.but i don't know how to do it. Please help me Thank u!

i have a file excel and i imported it into sql 2005 with it's name is QLHP ,now i want to delete QLHP database in sql 2005 using c#. Please help me! Thanks so much!

i want to edit records on datagrid,then update into access database! Please help me!

[CODE]private void button1_Click(object sender, EventArgs e) { string m1; m1=cbmanganh.SelectedValue.ToString(); myds1.DSPT.DefaultView.RowFilter = "MaNganh='"+ m1 +"'" [COLOR="Red"]and[/COLOR] "Nam ='" +tbnamhoc.Text + "'" [COLOR="Red"]and[/COLOR] "HocKy ='" + tbhocky.Text + "'"[COLOR="Red"]and[/COLOR] "KhoaHoc= '" +tbkhoahoc.Text + "'"; dataGridView1.DataSource=myds1.DSPT.DefaultView; }[/CODE] error: expected ";" after each "and" Thank you so much!

i have a combobox ,three textbox and one button.when user choose one item in combobox, textboxes and press button,i want to filter corresponding data and show on datagridview! Please help me! Thank u so much!

i want to get textbox's content and check in database,then show on datagrid all information response with textbox's content ! Please help me! Thank u so much!

[CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Data.OleDb; using System.Web; //using System.Web.UI; //using System.Web.UI.WebControls; using System.Configuration; namespace QuanLiDSSV { public partial class Frm2 : Form { public Frm2() { InitializeComponent(); } private void btnBrowse_Click(object sender, EventArgs e) { } private …

using System; using System.Collections.Generic; using System.Text; using System.IO; using System.Data.OleDb; using System.Web; using System.Configuration; using System.Data; using System.Collections; using System.Windows.Forms; //using System.Data.ConnectionState; namespace QuanLiDSSV { public partial class Frm2 : Form { public Frm2() { InitializeComponent(); } private void btnBrowse_Click(object sender, EventArgs e) { OpenFileDialog sh = new OpenFileDialog(); sh.FileName …

i want to print textbox contents at a coordinate in C# when user click a button on form.But i don't know code,please help me! Thank you so much!