添加搜索功能发票应用

Question

我新的编程，我只知道C＃的基础。

我做在Visual Studio中的发票应用程序可以存储客户姓名，联系电话，地址，费用，购买日期。

我想搜索功能添加到我的发票申请由有名称检索客户。这些是我的代码。请帮助

命名空间Invoice_Application_Final { 公共部分类主营：表 {

public Main() 
    { 
     InitializeComponent(); 

     //ListVIEW Properties 
     listView.View = View.Details; 
     listView.FullRowSelect = true; 


     //Add column to listView 
     listView.Columns.Add("Customer Number", 100); 
     listView.Columns.Add("Customer Name", 150); 
     listView.Columns.Add("Address", 200); 
     listView.Columns.Add("Invoice Number", 100); 
     listView.Columns.Add("Contact Number ", 100); 
     listView.Columns.Add("Description", 200); 
     listView.Columns.Add("Costs", 100); 
     listView.Columns.Add("Payment Date", 100); 

    } 




    // insert to listView 
    private void insert(string CustNum, string CustName, string Address, string InvoiceNum, string ContactNum, string Description, string Costs, string PaymentDate) 
    { 

     // Arrays 
     string[] row = { CustNum, CustName, Address, InvoiceNum, ContactNum, Description, Costs, PaymentDate }; 

     ListViewItem item = new ListViewItem(row); 

     listView.Items.Add(item); 


    } 





    private void update() 
    { 
     //Update 
     listView.SelectedItems[0].SubItems[0].Text = TXTCustomerNumber.Text; 
     listView.SelectedItems[0].SubItems[1].Text = TXTCustomerName.Text; 
     listView.SelectedItems[0].SubItems[2].Text = TXTAddress.Text; 
     listView.SelectedItems[0].SubItems[3].Text = InvoiceNumberTXT.Text; 
     listView.SelectedItems[0].SubItems[4].Text = ContactNumberTXT.Text; 
     listView.SelectedItems[0].SubItems[5].Text = DescriptionTXT.Text; 
     listView.SelectedItems[0].SubItems[6].Text = CostsTXT.Text; 
     listView.SelectedItems[0].SubItems[7].Text = PaymentDateTXT.Text; 

     // Clear All textBox after Pressing Button 
     TXTCustomerNumber.Text = ""; 
     TXTCustomerName.Text = ""; 
     TXTAddress.Text = ""; 
     InvoiceNumberTXT.Text = ""; 
     ContactNumberTXT.Text = ""; 
     DescriptionTXT.Text = ""; 
     CostsTXT.Text = ""; 
     PaymentDateTXT.Text = ""; 

    } 


    private void delete() 
    { 
     if (MessageBox.Show("Are you sure?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes) 
     { 
      listView.Items.RemoveAt(listView.SelectedIndices[0]); 
     } 

     // Clear All textBox after Pressing Button 
     TXTCustomerNumber.Text = ""; 
     TXTCustomerName.Text = ""; 
     TXTAddress.Text = ""; 
     InvoiceNumberTXT.Text = ""; 
     ContactNumberTXT.Text = ""; 
     DescriptionTXT.Text = ""; 
     CostsTXT.Text = ""; 
     PaymentDateTXT.Text = ""; 
    } 






    private void btnInsert_Click(object sender, EventArgs e) 
    { 
     //Insert 
     insert(TXTCustomerNumber.Text, TXTCustomerName.Text, TXTAddress.Text, InvoiceNumberTXT.Text, ContactNumberTXT.Text, DescriptionTXT.Text, CostsTXT.Text, PaymentDateTXT.Text); 

     // Clear All textBox after Pressing Button 
     TXTCustomerNumber.Text = ""; 
     TXTCustomerName.Text = ""; 
     TXTAddress.Text = ""; 
     InvoiceNumberTXT.Text = ""; 
     ContactNumberTXT.Text = ""; 
     DescriptionTXT.Text = ""; 
     CostsTXT.Text = ""; 
     PaymentDateTXT.Text = ""; 
    } 





    private void Main_Load(object sender, EventArgs e) 
    { 

    } 



    private void btnUpdate_Click(object sender, EventArgs e) 
    { 

     update(); 


    } 



    private void btnDelete_Click(object sender, EventArgs e) 
    { 
     delete(); 
    } 



    private void btnClear_Click(object sender, EventArgs e) 
    { 
     TXTCustomerNumber.Text = ""; 
     TXTCustomerName.Text = ""; 
     TXTAddress.Text = ""; 
     InvoiceNumberTXT.Text = ""; 
     ContactNumberTXT.Text = ""; 
     DescriptionTXT.Text = ""; 
     CostsTXT.Text = ""; 
     PaymentDateTXT.Text = ""; 
    } 




    private void listView1_MouseClick(object sender, MouseEventArgs e) 
    { 
     TXTCustomerNumber.Text = listView.SelectedItems[0].SubItems[0].Text; 
     TXTCustomerName.Text = listView.SelectedItems[0].SubItems[1].Text; 
     TXTAddress.Text = listView.SelectedItems[0].SubItems[2].Text; 
     InvoiceNumberTXT.Text = listView.SelectedItems[0].SubItems[3].Text; 
     ContactNumberTXT.Text = listView.SelectedItems[0].SubItems[4].Text; 
     DescriptionTXT.Text = listView.SelectedItems[0].SubItems[5].Text; 
     CostsTXT.Text = listView.SelectedItems[0].SubItems[6].Text; 
     PaymentDateTXT.Text = listView.SelectedItems[0].SubItems[7].Text; 



    } 

    private void Searchtxt_TextChanged(object sender, EventArgs e) 
    { 



     } 


} 
} 

Answer 1

如果它是一个Windows窗体项目，我相信这是，你使用一个叫做自动完成模式下的文本框的功能： AutoCompleteMode

如果你的项目是UWP你会使用一个控制称为AutoSuggestBox： AutoSuggestBox

在代码隐藏，你把你想要的各种事件处理程序的任何代码，当有人进入某条建议匹配搜索词或点击次数。