/// <summary>
        /// 修改数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void toolStripMenuItem_DataGridViewRowModify_Click(object sender, EventArgs e)
        {
            Form_WelderBelong_Update myForm = new Form_WelderBelong_Update();

            myForm.myClass_WelderBelong = new Class_WelderBelong();
            myForm.myClass_WelderBelong.WelderBelongID = (long )this.dataGridView_Data.CurrentRow.Cells["WelderBelongID"].Value;
            if (myForm.myClass_WelderBelong.FillData())
            {
                myForm.bool_Add = false;
                if (myForm.ShowDialog() == DialogResult.OK)
                {
                    Class_Data myClass_Data = (Class_Data)Class_Public.myHashtable[Enum_DataTable.WelderBelong.ToString()];
                    myClass_Data.RefreshData(true, this.myDataTable);
                    this.RefreshData(true);
                }
            }
            else
            {
                MessageBox.Show("该行数据已被删除!");
            }
        }
        /// <summary>
        /// 添加数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void toolStripMenuItem_DataGridViewRowAdd_Click(object sender, EventArgs e)
        {
            if (this.myEventArgs_Unit == null || (string.IsNullOrEmpty(this.myEventArgs_Unit.EmployerHPID) && string.IsNullOrEmpty(this.myEventArgs_Unit.DepartmentHPID) && string.IsNullOrEmpty(this.myEventArgs_Unit.WorkPlaceHPID)))
            {
                MessageBox.Show("请选择单位!");
                return;
            }
            Form_WelderBelong_Update myForm = new Form_WelderBelong_Update();

            myForm.myClass_WelderBelong = new Class_WelderBelong();
            myForm.myClass_WelderBelong.myClass_BelongUnit.EmployerHPID   = this.myEventArgs_Unit.EmployerHPID;
            myForm.myClass_WelderBelong.myClass_BelongUnit.DepartmentHPID = this.myEventArgs_Unit.DepartmentHPID;
            myForm.myClass_WelderBelong.myClass_BelongUnit.WorkPlaceHPID  = this.myEventArgs_Unit.WorkPlaceHPID;
            myForm.bool_Add = true;
            if (myForm.ShowDialog() == DialogResult.OK)
            {
                Class_Data myClass_Data = (Class_Data)Class_Public.myHashtable[Enum_DataTable.WelderBelong.ToString()];
                this.dataGridView_Data.DataSource = null;
                myClass_Data.RefreshData(false, this.myDataTable);
                this.dataGridView_Data.DataSource = this.myDataView;
                this.RefreshData(false);
                Class_DataControlBind.SetDataGridViewSelectedPosition("WelderBelongID", myForm.myClass_WelderBelong.WelderBelongID.ToString(), this.dataGridView_Data);
            }
        }