加，减两个文本框相减或相乘，然后在另一个文本框中输出该值 [英] Adding subtracting multiplying or dividing two text boxes and outputting the value in another text box

问题描述

请解决此错误，因为该错误无法将类型int隐式转换为字符串

Please fix this the error is cannot implicitly convert type int to string

private void button1_Click(对象发送者，EventArgs e)
       {
           int a = Convert.ToInt32(textBox1.Text);
           int b = Convert.ToInt32(textBox2.Text);
          如果(checkBox1.Checked == true)
           {
                             textBox3.Text = a + b;
           }

private void button1_Click(object sender, EventArgs e)
        {
            int a = Convert.ToInt32(textBox1.Text);
            int b = Convert.ToInt32(textBox2.Text);
            if (checkBox1.Checked == true)
            {
                textBox3.Text = a + b;
            }

推荐答案

请解决此错误，因为该错误无法将类型int隐式转换为字符串

Please fix this the error is cannot implicitly convert type int to string

         如果(checkBox1.Checked == true)
           {
                             textBox3.Text = a + b;
           }

           if (checkBox1.Checked == true)
            {
                textBox3.Text = a + b;
            }

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