这在带有C＃的Visual Studio Web应用程序中称为file.cs。我想在file.designer.cs中调用函数 ReadOnlySetting（）。我尝试在“初始化组件”之后调用它，就像这个ReadOnlySetting（）;我收到错误“必须返回类型”
namespace WindowsFormsApplication7
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("Data Source=LENOVO- PC;Integrated Security=True");
con.Open();
SqlCommand sc = new SqlCommand("insert intp Emp values('" + textBox2.Text + "'," + textBox1.Text + ",'" + textBox3.Text + "','" + textBox4.Text + "'," + textBox5.Text + ");", con);
object o = sc.ExecuteNonQuery();
MessageBox.Show(o+ " :Record has been inserted");
con.Close();
}
//sender controls what the action is for
//EventArgs is the argument
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}
**private void ReadOnlySetting()**
{
this.textBox2.ReadOnly = true;
}
public static void main(string[] args)
{
Application.Run(new Form1());
}
}
}
这是我的file.designer.cs
namespace WindowsFormsApplication7
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.dataSet1 = new WindowsFormsApplication7.DataSet1();
this.dataSet1BindingSource = new System.Windows.Forms.BindingSource(this.components);
this.label1 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label4 = new System.Windows.Forms.Label();
this.textBox4 = new System.Windows.Forms.TextBox();
this.textBox5 = new System.Windows.Forms.TextBox();
this.label5 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.dataSet1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.dataSet1BindingSource)).BeginInit();
this.SuspendLayout();
this.textBox2.ReadOnly = true;
//
// dataSet1
//
this.dataSet1.DataSetName = "DataSet1";
this.dataSet1.SchemaSerializationMode = System.Data.SchemaSerializationMode.IncludeSchema;
//
// dataSet1BindingSource
//
this.dataSet1BindingSource.DataSource = this.dataSet1;
this.dataSet1BindingSource.Position = 0;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(45, 75);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(35, 13);
this.label1.TabIndex = 3;
this.label1.Text = "Name";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(86, 72);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(100, 20);
this.textBox2.TabIndex = 4;
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(45, 156);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(25, 13);
this.label2.TabIndex = 3;
this.label2.Text = "Sex";
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(86, 153);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(100, 20);
this.textBox3.TabIndex = 4;
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(45, 112);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(26, 13);
this.label3.TabIndex = 3;
this.label3.Text = "Age";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(86, 109);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(100, 20);
this.textBox1.TabIndex = 4;
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(45, 195);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(45, 13);
this.label4.TabIndex = 3;
this.label4.Text = "Address";
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(86, 192);
this.textBox4.Name = "textBox4";
this.textBox4.ReadOnly = true;
this.textBox4.Size = new System.Drawing.Size(100, 20);
this.textBox4.TabIndex = 4;
//
// textBox5
//
this.textBox5.Location = new System.Drawing.Point(86, 228);
this.textBox5.Name = "textBox5";
this.textBox5.Size = new System.Drawing.Size(100, 20);
this.textBox5.TabIndex = 6;
//
// label5
//
this.label5.AutoSize = true;
this.label5.Location = new System.Drawing.Point(45, 231);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(58, 13);
this.label5.TabIndex = 5;
this.label5.Text = "Phone No.";
//
// button1
//
this.button1.Location = new System.Drawing.Point(163, 278);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 7;
this.button1.Text = "Close";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(35, 278);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 8;
this.button2.Text = "Submit";
this.button2.UseVisualStyleBackColor = true;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(420, 380);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox5);
this.Controls.Add(this.label5);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.label4);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "Form1";
((System.ComponentModel.ISupportInitialize)(this.dataSet1)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.dataSet1BindingSource)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.BindingSource dataSet1BindingSource;
private DataSet1 dataSet1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
}
}
我不在哪里可以包含我的方法或如何调用它。
答案 0 :(得分：0)
请勿将其放入设计师手中。只要您对表单的设计进行更改，它就会被删除。在InitializeComponent之后直接调用它。
public Form1()
{
InitializeComponent();
ReadOnlySetting();
}