private DataSource GetDataSourceFromDataProvider(DataProvider p)
{
if (p == Microsoft.Data.ConnectionUI.DataProvider.SqlDataProvider)
return Microsoft.Data.ConnectionUI.DataSource.SqlDataSource;
else if (p == Microsoft.Data.ConnectionUI.DataProvider.OdbcDataProvider)
return Microsoft.Data.ConnectionUI.DataSource.OdbcDataSource;
else if (p == Microsoft.Data.ConnectionUI.DataProvider.OleDBDataProvider)
return Microsoft.Data.ConnectionUI.DataSource.OdbcDataSource;
else if (p == Microsoft.Data.ConnectionUI.DataProvider.OracleDataProvider)
return Microsoft.Data.ConnectionUI.DataSource.OracleDataSource;
else
return null;
}
public string Change(string connString = "")
{
string tempConnString = !string.IsNullOrEmpty(connString) ? connString : this.ConnString;
try
{
if (string.IsNullOrEmpty(tempConnString))
return this.GetConnString();
if (tempConnString.Equals(this.Dialog.ConnectionString))
return this.GetConnString();
if (tempConnString.ToLower().Contains("provider"))
{
if (tempConnString.ToLower().Contains("msdaora"))
{
this.DataSource = DataSource.OracleDataSource;
}
else
{
this.DataSource = DataSource.SqlDataSource;
}
this.Provider = DataProvider.OleDBDataProvider;
}
else
{
this.DataSource = tempConnString.ToLower().Contains("unicode") ? DataSource.OracleDataSource : DataSource.SqlDataSource;
this.Provider = tempConnString.ToLower().Contains("unicode") ? DataProvider.OracleDataProvider : DataProvider.SqlDataProvider;
}
if (!Dialog.DataSources.Contains(this.DataSource))
Dialog.DataSources.Add(this.DataSource);
Dialog.SelectedDataSource = this.DataSource;
foreach (DataProvider objDataProvider in Dialog.SelectedDataSource.Providers)
{
if (objDataProvider.Name == "System.Data.OleDb" && this.Provider.Equals(DataProvider.OleDBDataProvider))
{
Dialog.SelectedDataProvider = objDataProvider;
break;
}
if (objDataProvider.Name == "System.Data.OracleClient" && this.Provider.Equals(DataProvider.OracleDataProvider))
{
Dialog.SelectedDataProvider = objDataProvider;
break;
}
if (objDataProvider.Name == "System.Data.SqlClient" && this.Provider.Equals(DataProvider.SqlDataProvider))
{
Dialog.SelectedDataProvider = objDataProvider;
break;
}
}
if (!string.IsNullOrEmpty(tempConnString))
{
Dialog.ConnectionString = tempConnString;
}
}
catch
{
}
return this.GetConnString();
}
private void btChoose_Click(object sender, EventArgs e)
{
DataConnectionDialog dialog = new DataConnectionDialog();
dialog.DataSources.Add(DataSource.SqlDataSource);
dialog.DataSources.Add(DataSource.OracleDataSource);
dialog.DataSources.Add(DataSource.OdbcDataSource);
dialog.DataSources.Add(DataSource.AccessDataSource);
dialog.DataSources.Add(DataSource.SqlFileDataSource);
dialog.SelectedDataSource = DataSource.SqlDataSource;
dialog.SelectedDataProvider = DataProvider.SqlDataProvider;
if (DataConnectionDialog.Show(dialog) == DialogResult.OK)
{
this.connectionString = dialog.ConnectionString;
this.dbProvider = dialog.SelectedDataProvider;
}
}
public string GetConnString()
{
if (DataConnectionDialog.Show(this.Dialog) == DialogResult.OK)
{
this.ConnString = Dialog.ConnectionString;
this.DataSource = Dialog.SelectedDataSource;
this.Provider = Dialog.SelectedDataProvider;
}
return this.ConnString;
}