title: Remove the 'button1' field and declare it as a local variable in the relevant methods
body: <p>i review my code with codacy and codacy says following to me</p>
  
  <pre><code>Remove the 'button1' field and declare it as a local variable in the relevant methods.
  </code></pre>
  
  <p>The line that codacy mean is 
  private Button button1;</p>
  
  <p>The method in this case button1_Click</p>
  
  <p>my code is (only a little example because my code is much bigger):</p>
  
  <pre><code>namespace WindowsFormsApp1
  {
      public class Form1 : Form
      {
          private Button button1;
  
          public Form1()
          {
              InitializeComponent();
          }
          #region Vom Windows Form-Designer generierter Code
          private void InitializeComponent()
          {
              this.button1 = new System.Windows.Forms.Button();
              this.SuspendLayout();
              // 
              // button1
              // 
              this.button1.Location = new System.Drawing.Point(349, 155);
              this.button1.Name = "button1";
              this.button1.Size = new System.Drawing.Size(75, 23);
              this.button1.TabIndex = 0;
              this.button1.Text = "button1";
              this.button1.UseVisualStyleBackColor = true;
              this.button1.Click += new System.EventHandler(this.button1_Click);
              // 
              // Form1
              // 
              this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
              this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
              this.ClientSize = new System.Drawing.Size(800, 450);
              this.Controls.Add(this.button1);
              this.Name = "Form1";
              this.Text = "Form1";
              this.Load += new System.EventHandler(this.Form1_Load);
              this.ResumeLayout(false);
  
          }
          #endregion
          private void button1_Click(object sender, EventArgs e)
          {
  
          }
      }
  }
  </code></pre>
  
  <p>I dont know how to do that, can anyone explain me what to do here?
  Greetings</p>