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私のアプリケーションをテストすると、正常に動作するように見えます。送信ボタンを押すと「成功」というメッセージが表示されます。しかし、実際にデータが入っていない、と私はデータを表示するために、テーブルを更新しようとしたとき、私は次のメッセージを取得しますVisual Studio - このデータベースはインポートできませんエラー
This database cannot be imported. It is either an unsupported SQL Server version or an unsupported database compatibility.
App.configを
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
<connectionStrings>
<remove name="LocalSqlServer" />
<add name="LocalSqlServer" connectionString="Data Source=(LocalDB)\v11.0;AttachDbFilename=|DataDirectory|database.mdf;Integrated Security=True;Connect Timeout=30;Initial Catalog=database.mdf"
providerName="System.Data.SqlClient" />
<add name="hotelApp.Properties.Settings.databaseConnectionString"
connectionString="Data Source=(LocalDB)\v11.0;AttachDbFilename=|DataDirectory|database.mdf;Integrated Security=True;Connect Timeout=30;Initial Catalog=database.mdf"
providerName="System.Data.SqlClient" />
</connectionStrings>
</configuration>
そして、いくつかのコードスニペットを：
// called when my main window loads
private void initializeData()
{
try { con.Open(); }
catch (SqlException er) { Console.Write(er); }
String query = "SELECT * from dbo.locations";
locAdapter = new SqlDataAdapter(query, con);
locAdapter.Fill(ds, "Locations");
query = "SELECT * from dbo.report";
reportAdapter = new SqlDataAdapter(query, con);
reportAdapter.Fill(ds, "Reports");
SqlCommand insert = new SqlCommand("INSERT into dbo.report (report_id, inspector, employee, room, date, score) " + " VALUES (@report_id, @inspector, @employee, @room, @date, @score)", con);
insert.Parameters.Add("@report_id", SqlDbType.Int, 5, "report_id");
insert.Parameters.Add("@room", SqlDbType.Int, 4, "room");
insert.Parameters.Add("@inspector", SqlDbType.Int, 5, "inspector");
insert.Parameters.Add("@employee", SqlDbType.Int, 4, "employee");
insert.Parameters.Add("@date", SqlDbType.Date, 50, "date");
insert.Parameters.Add("@score", SqlDbType.Int, 4, "score");
reportAdapter.InsertCommand = insert;
query = "SELECT * from dbo.report_details";
detailsAdapter = new SqlDataAdapter(query, con);
detailsAdapter.Fill(ds, "Details");
insert = new SqlCommand("INSERT into dbo.report_details (reportID, itemID, points, comments) " + " VALUES (@reportID, @itemID, @points, @comments)", con);
insert.Parameters.Add("@reportID", SqlDbType.Int, 5, "reportID");
insert.Parameters.Add("@itemID", SqlDbType.Int, 5, "itemID");
insert.Parameters.Add("@points", SqlDbType.Int, 4, "points");
insert.Parameters.Add("@comments", SqlDbType.Text, 150, "comments");
detailsAdapter.InsertCommand = insert;
locationComboBox.DataContext = ds.Tables["Locations"];
locationComboBox.DisplayMemberPath = "locName";
DataTable grid = new DataTable("Grid");
grid.Columns.Add("ID", typeof(int));
grid.Columns.Add("Name", typeof(String));
grid.Columns.Add("Description", typeof(String));
grid.Columns.Add("Points", typeof(int));
grid.Columns.Add("Score", typeof(List<int>));
grid.Columns.Add("Current", typeof(int));
grid.Columns.Add("Comments", typeof(String));
query = "SELECT itemID, name, description, points, category FROM dbo.items";
SqlDataReader reader = new SqlCommand(query, con).ExecuteReader();
while (reader.Read())
{
DataRow row = grid.NewRow();
row["ID"] = reader["itemID"];
row["Name"] = reader["name"];
row["Description"] = reader["description"];
row["Points"] = reader["points"];
totalPoints += (int)reader["points"];
row["Current"] = reader["points"];
int pointsPossible = (int)reader["points"];
List<int> rowList = new List<int>();
for (int i = pointsPossible; i >= 0; i--)
{
rowList.Add(i);
}
rowList.Sort();
row["Score"] = rowList;
grid.Rows.Add(row);
}
ds.Tables.Add(grid);
itemGrid.ItemsSource = ds.Tables["Grid"].DefaultView;
}
// called when the submit button is hit, the message in the try block displays successfully
private void submitData(object sender, RoutedEventArgs e)
{
SqlTransaction tran = con.BeginTransaction();
reportAdapter.InsertCommand.Transaction = tran;
detailsAdapter.InsertCommand.Transaction = tran;
DataRow reportRow = ds.Tables["Reports"].NewRow();
reportRow["report_id"] = reportID;
DataRowView inspectorSelection = (DataRowView)inspectorBox.SelectedItem;
reportRow["inspector"] = Int16.Parse(inspectorSelection["empID"].ToString());
DataRowView empSelection = (DataRowView)employeeBox.SelectedItem;
reportRow["employee"] = Int16.Parse(inspectorSelection["empID"].ToString());
reportRow["room"] = Int16.Parse(roomTextBox.Text);
reportRow["date"] = DateTime.Now.ToString("yyy-MM-dd");
reportRow["score"] = currentPoints;
ds.Tables["Reports"].Rows.Add(reportRow);
// update report_details dataset
foreach (DataRow row in ds.Tables["Grid"].Rows)
{
DataRow reportDetailsRow = ds.Tables["Details"].NewRow();
reportDetailsRow["reportID"] = reportID;
reportDetailsRow["itemID"] = row["ID"];
reportDetailsRow["points"] = currentPoints;
reportDetailsRow["comments"] = row["Comments"];
}
// update tables as single transaction
try
{
reportAdapter.Update(ds, "Reports");
detailsAdapter.Update(ds, "Details");
tran.Commit();
MessageBox.Show("Date Inserted");
}
catch (SqlException sqlEr)
{
MessageBox.Show(sqlEr.Message);
}
}
正直言って、私はこのデータベースで以前に問題がありました（そのため、接続文字列セクションはそれが理由です）。この問題に対する簡単な解決策が見つからない場合は、スキーマとデータをテーブルからコピーして、実際に正しく動作する新しいデータベースに簡単に転送できますか？
ありがとうございます！