如何在动态创建的c#.net中检查文本框是否为空 [英] how to check text box empty or not in c#.net which is dynamically created

问题描述

我添加了三个具有相同top属性的文本框.当我单击保存按钮时，如何检查此文本框是否为空.如何将其值插入Windows窗体application

i have added three textbox which have the same top property . how to check this text boxes are empty or not when i click on save button. how to insert it''s value is database in windows form application

推荐答案

1中的数据库. 如何检查文本框是否为空? [ ^ ]
2. ^ ]
3. 从文本框插入sql数据库时点击按钮 [ ^ ]

1. how to check whether a text box is empty ?[^]
2. save-multiple-dynamic-textbox-values-to-sql-database-windows-forms-csharp[^]
3. Insert into sql database from a textbox when a button is clicked[^]

protected override void LoadViewState(object savedState)
   {
       base.LoadViewState(savedState);
       foreach (string txtID in ControlsList)
       {
           TextBox SerialText = new TextBox();
           SerialText.ID = txtID;
           panelEnterSerial.Controls.Add(SerialText);
           panelEnterSerial.Controls.Add(new LiteralControl("&nbsp"));
       }
   }

这篇关于如何在动态创建的c#.net中检查文本框是否为空的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！