CS 0426 Имя типа "RegistrDataSet" не существует в типе "Chat

namespace ChatServer
{
    partial class Users
    {
        /// <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.bindingSource = new System.Windows.Forms.BindingSource(this.components);
            this.registrDataSet = new ChatServer.RegistrDataSet();
            ((System.ComponentModel.ISupportInitialize)(this.bindingSource)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.registrDataSet)).BeginInit();
            this.SuspendLayout();
            // 
            // bindingSource
            // 
            this.bindingSource.DataSource = this.registrDataSet;
            this.bindingSource.Position = 0;
            // 
            // registrDataSet
            // 
            this.registrDataSet.DataSetName = "RegistrDataSet";
            this.registrDataSet.SchemaSerializationMode = System.Data.SchemaSerializationMode.IncludeSchema;
            // 
            // Users
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(486, 354);
            this.Name = "Users";
            this.Text = "Users";
            ((System.ComponentModel.ISupportInitialize)(this.bindingSource)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.registrDataSet)).EndInit();
            this.ResumeLayout(false);
 
        }
 
        #endregion
 
        public System.Windows.Forms.BindingSource bindingSource;
        private ChatServer.RegistrDataSet registrDataSet;
    }
}