C# 如何使用for循环单选按钮显示数据库中的图像或信息？在c中#

大家好我在程序中显示图像和全名等信息时遇到问题。我有一个for循环单选按钮，它计算有多少候选人在一个特定的职位上竞选。例如“总统”

以下是我目前的代码：

    cmd = new SqlCommand("SELECT COUNT(Position) FROM TableVote WHERE Position='" + "President" + "'", sc);
            Int32 PresCount = (Int32)cmd.ExecuteScalar();

            TxtPresCount.Text = PresCount.ToString();

            //int lol = Convert.ToInt32(TxtPresCount.Text);

            var panel = new FlowLayoutPanel();
            panel.SuspendLayout();
            panel.Size = new Size(600, 150);
            panel.Location = new Point(50, 50);
            panel.FlowDirection = FlowDirection.LeftToRight;
            panel.AutoScroll = true;
            panel.WrapContents = false;
            this.Controls.Add(panel);

            for (int i = 0; i < PresCount; ++i)
            {
                var radioButton = new RadioButton();
                radioButton.Size = new Size(75, 75);
                radioButton.CheckAlign = ContentAlignment.MiddleCenter;
                radioButton.ImageAlign = ContentAlignment.MiddleCenter;
                panel.Controls.Add(radioButton);

                //radioButton.Image = Image.FromFile();
                radioButton.ImageAlign = ContentAlignment.MiddleCenter;
                radioButton.FlatStyle = FlatStyle.Flat;
            }
            panel.ResumeLayout();

这是我的数据库：

public partial class Form1 : Form {
   public Form1(){
     InitializeComponent();
     //do this if you want to register the Load event handler using code
     Load += Form1_Load;
   }
   FlowLayoutPanel panel = new FlowLayoutPanel();
   private void InitPanel(){
     panel.Size = new Size(600, 150);
     panel.Location = new Point(50, 50);
     panel.FlowDirection = FlowDirection.LeftToRight;
     panel.AutoScroll = true;
     panel.WrapContents = false;
     Controls.Add(panel);
   }
   //Load event handler
   private void Form1_Load(object sender, EventArgs e){
     InitPanel();
     panel.SuspendLayout();
     string cmdText = "SELECT (FirstName + ' ' + MiddleName + ' ' + LastName) as FullName, " +
                 "imgPath as ImagePath FROM TableVote WHERE Position='President'";
     using(SqlCommand com = new SqlCommand(cmdText,sc)){
       if(sc.State != ConnectionState.Open) sc.Open();
       SqlDataReader reader = com.ExecuteReader();       
       while(reader.Read()){
         AddRadioButton(reader.GetString(0), reader.GetString(1));
       }
       reader.Close();
       sc.Close();
       panel.ResumeLayout(true);
     }
   }
   private void AddRadioButton(string fullName, string imagePath){
     RadioButton radio = new RadioButton {Text = fullName, Parent = panel};
     radio.AutoSize = true;
     radio.Image = new Bitmap(Image.FromFile(imagePath),75,75);
     radio.TextImageRelation = TextImageRelation.ImageAboveText;    
     radio.CheckAlign = ContentAlignment.BottomCenter;   
   }
}

---

注意：我可以看到您在表中存储了两个涉及图像的信息，我认为您应该选择其中一个，存储

图像路径

很容易，您的表格重量较轻，但如果您的

图像路径

不再指向实际图像，则信息可能会丢失。

您希望在单选按钮中输入哪些信息？单选按钮只能容纳一些像标签一样的文本，区别在于它允许一些交互来做出选择。例如图像、候选人全名等信息。有人告诉我，它可以使用

单选按钮保存图像。Image

。但我不知道具体怎么做。你从哪里获取图像？SQLServer2008。数据类型为

Image

。它是否存储在表

TableVote

中？您应该显示包含

总统候选人

所有信息的表格，包括

全名

和

图像

，我没有看到您发布的任何代码显示如何获取

全名

和

图像

基于我的前几个代码，如何将该代码合并到您的代码中？或者我应该删除我的代码并替换为你的代码？@LyndonBrozTonelete现在你可以使用我的代码了，初始化

面板的代码保持不变。@LyndonBrozTonelete由你决定，以
的形式加载
就可以了。注意，
AddRadioButton
是一个方法，你必须把它放在表单类中。对不起，我有点搞不清楚我要把它放在哪里。我不会再使用我的循环了吗？@LyndonBrozTonelete不，你的循环需要知道候选人的数量，我发布的代码就足够了，把它放在你的表单加载中，如果有任何异常，请告诉我。。。
public partial class Form1 : Form {
   public Form1(){
     InitializeComponent();
     //do this if you want to register the Load event handler using code
     Load += Form1_Load;
   }
   FlowLayoutPanel panel = new FlowLayoutPanel();
   private void InitPanel(){
     panel.Size = new Size(600, 150);
     panel.Location = new Point(50, 50);
     panel.FlowDirection = FlowDirection.LeftToRight;
     panel.AutoScroll = true;
     panel.WrapContents = false;
     Controls.Add(panel);
   }
   //Load event handler
   private void Form1_Load(object sender, EventArgs e){
     InitPanel();
     panel.SuspendLayout();
     string cmdText = "SELECT (FirstName + ' ' + MiddleName + ' ' + LastName) as FullName, " +
                 "imgPath as ImagePath FROM TableVote WHERE Position='President'";
     using(SqlCommand com = new SqlCommand(cmdText,sc)){
       if(sc.State != ConnectionState.Open) sc.Open();
       SqlDataReader reader = com.ExecuteReader();       
       while(reader.Read()){
         AddRadioButton(reader.GetString(0), reader.GetString(1));
       }
       reader.Close();
       sc.Close();
       panel.ResumeLayout(true);
     }
   }
   private void AddRadioButton(string fullName, string imagePath){
     RadioButton radio = new RadioButton {Text = fullName, Parent = panel};
     radio.AutoSize = true;
     radio.Image = new Bitmap(Image.FromFile(imagePath),75,75);
     radio.TextImageRelation = TextImageRelation.ImageAboveText;    
     radio.CheckAlign = ContentAlignment.BottomCenter;   
   }
}