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test
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test
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@@ -18,7 +18,87 @@
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```ここに言語を入力
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Imports System.Data.SQLite
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Public Class Form1
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''' <summary>
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''' データベース作成ボタンクリック
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''' </summary>
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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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Try
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Using con As New SQLiteConnection("Data Source=sample.db")
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con.Open()
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Using cmd As SQLiteCommand = con.CreateCommand()
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cmd.CommandText = "CREATE TABLE Sample (ID INTEGER PRIMARY KEY, Name NVARCHAR(128), Age INTEGER)"
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cmd.ExecuteNonQuery()
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cmd.CommandText = "INSERT INTO Sample (Name, Age) VALUES('一郎', 10)"
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cmd.ExecuteNonQuery()
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cmd.CommandText = "INSERT INTO Sample (Name, Age) VALUES('二郎', 20)"
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cmd.ExecuteNonQuery()
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cmd.CommandText = "INSERT INTO Sample (Name, Age) VALUES('三郎', 30)"
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cmd.ExecuteNonQuery()
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End Using
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End Using
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MessageBox.Show("Sampleデータベース作成成功", Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Information)
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Catch ex As Exception
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MessageBox.Show("Sampleデータベース作成失敗" + Environment.NewLine + ex.Message, Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Error)
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End Try
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End Sub
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''' <summary>
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''' 検索ボタンクリック
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''' </summary>
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Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
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Using con As New SQLiteConnection("Data Source=sample.db")
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Dim ds As New DataSet
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Dim da As New SQLiteDataAdapter("SELECT * FROM Sample", con)
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da.Fill(ds, "Sample")
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Me.DataGridView1.DataSource = ds.Tables("Sample")
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End Using
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End Sub
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Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
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Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
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Using con As New SQLiteConnection("Data Source=sample.db")
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@@ -33,6 +113,10 @@
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End Using
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End Sub
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End Class
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```
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