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分類:[.NET 全般]
http://www.atmarkit.co.jp/fdotnet/basics/adonet01/adonet01_03.html
このページを参考にして以下のコードを書いたのですが、
sqlDA.Fill(dt);
この行で「sqlexceptionはバンドルされませんでした」とでます。
たぶんデーターベースのアドレスの設定に間違いがあると思うのですが、具体的にどうなおせばよいのでしょうか？
よろしくお願いします。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
//class DBViewer : Form
{
/*public Form1()
{
}*/
string databaseName;
ListBox lstDB = new ListBox();
ListBox lstTBL = new ListBox();
DataGrid dg = new DataGrid();
public Form1()
{
InitializeComponent();
this.Width = 800;
this.Height = 600;
this.Text = "DBViewer";
lstDB.Location = new Point(10, 10);
lstDB.Width = 200;
lstDB.Height = 200;
lstDB.DisplayMember = "name";
lstDB.SelectedIndexChanged += new EventHandler(this.OnDatabase);
lstTBL.Location = new Point(220, 10);
lstTBL.Width = 200;
lstTBL.Height = 200;
lstTBL.DisplayMember = "name";
lstTBL.SelectedIndexChanged += new EventHandler(this.OnTable);
dg.Location = new Point(10, 220);
dg.Width = 775;
dg.Height = 330;
dg.RowHeadersVisible = false;
dg.Anchor = AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
this.Controls.AddRange(new Control[] { lstDB, lstTBL, dg });
lstDB.DataSource = getTable("master", "select name from sysdatabases");
}
void OnDatabase(Object s, EventArgs e)
{
databaseName = (string)((DataRowView)lstDB.SelectedItem).Row[0];
lstTBL.DataSource = getTable(databaseName, "select name from sysobjects where xtype = 'U' or xtype = 'S' order by name");
}
void OnTable(Object s, EventArgs e)
{
string table = (string)((DataRowView)lstTBL.SelectedItem).Row[0];
try
{
dg.DataSource = getTable(databaseName, "select * from [" + table + "]");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
SqlConnection getConnection(string database)
{
string conn = "Server=(local)\\NetSDK; Trusted_Connection=yes; database=" + database;
return new SqlConnection(conn);
}
DataTable getTable(string database, string query)
{
SqlDataAdapter sqlDA = new SqlDataAdapter(query, getConnection(database));
DataTable dt = new DataTable();
sqlDA.Fill(dt);
return dt;
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
}
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