using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;namespace DBTranning
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
} private void tabPage3_Click(object sender, EventArgs e)
{ }
private void button2_Click(object sender, EventArgs e)
{
SqlConnection MyConn = new SqlConnection(); //
DBConnect dbConn = new DBConnect();
string sql = "";
MyConn = dbConn.DBConnection("FaiDB");
if (MyConn.State != ConnectionState.Open)
{
try
{
MyConn.Open();
MessageBox.Show("打开数据库成功");
}
catch (Exception MyDbConnEx)
{
MessageBox.Show("打开数据库连接错误:" + MyDbConnEx.Message); }
sql = "select * from color";
//sql = richTextBox1.Text;
SqlDataAdapter da = new SqlDataAdapter(sql, MyConn);
DataTable dt = new DataTable();
da.Fill(dt);
DataSet ds = new DataSet();
ds.Tables.Add(dt);
dataGridView1.DataSource=ds.Tables[0]; MyConn.Close();
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;namespace DBTranning
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
} private void tabPage3_Click(object sender, EventArgs e)
{ }
private void button2_Click(object sender, EventArgs e)
{
SqlConnection MyConn = new SqlConnection(); //
DBConnect dbConn = new DBConnect();
string sql = "";
MyConn = dbConn.DBConnection("FaiDB");
if (MyConn.State != ConnectionState.Open)
{
try
{
MyConn.Open();
MessageBox.Show("打开数据库成功");
}
catch (Exception MyDbConnEx)
{
MessageBox.Show("打开数据库连接错误:" + MyDbConnEx.Message); }
sql = "select * from color";
//sql = richTextBox1.Text;
SqlDataAdapter da = new SqlDataAdapter(sql, MyConn);
DataTable dt = new DataTable();
da.Fill(dt);
DataSet ds = new DataSet();
ds.Tables.Add(dt);
dataGridView1.DataSource=ds.Tables[0]; MyConn.Close();
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