public async void Form1_LoadAsync(object sender, EventArgs e)
{
var result = await RB.ShowResourceDataAsync();
ResourceDataGrid.DataSource = result;
var project = await PB.ShowProjectDataAsync();
ProjectDataGrid.DataSource = project;
var projectNameOnly = await RAB.ShowProjectNameOnlyAsync();
this.SelectProCmbBox.SelectedIndexChanged -= new System.EventHandler(this.SelectProCmbBox_SelectedIndexChangedAsync);
SelectProCmbBox.DataSource = projectNameOnly;
SelectProCmbBox.DisplayMember = "ProjectName";
SelectProCmbBox.ValueMember = "ProjectID";
SelectProCmbBox.SelectedIndex = -1;
this.SelectProCmbBox.SelectedIndexChanged += new System.EventHandler(this.SelectProCmbBox_SelectedIndexChangedAsync);
var projectNameOnly2 = await RAB.ShowProjectNameOnlyAsync();
this.ChoosePrjNameCmbBox.SelectedIndexChanged -= new System.EventHandler(this.ChoosePrjNameCmbBox_SelectedIndexChangedAsync);
ChoosePrjNameCmbBox.DataSource = projectNameOnly2;
ChoosePrjNameCmbBox.DisplayMember = "ProjectName";
ChoosePrjNameCmbBox.ValueMember = "ProjectID";
ChoosePrjNameCmbBox.SelectedIndex = -1;
this.ChoosePrjNameCmbBox.SelectedIndexChanged += new System.EventHandler(this.ChoosePrjNameCmbBox_SelectedIndexChangedAsync);
var projectNameOnly3 = await RAB.ShowResourceNameOnlyAsync();
this.ChooseResNameCmbBox.SelectedIndexChanged -= new System.EventHandler(this.ChooseResNameCmbBox_SelectedIndexChangedAsync);
ChooseResNameCmbBox.DataSource = projectNameOnly3;
ChooseResNameCmbBox.DisplayMember = "Name";
ChooseResNameCmbBox.ValueMember = "ResourceID";
ChooseResNameCmbBox.SelectedIndex = -1;
this.ChooseResNameCmbBox.SelectedIndexChanged += new System.EventHandler(this.ChooseResNameCmbBox_SelectedIndexChangedAsync);
}