• DataSet绑定到页面的TextBox


     #region 与页面控件绑定
        /// <summary>
        /// 与页面控件绑定
        /// </summary>
        /// <param name="ds">数据集</param>
        protected void DB2Page(DataSet ds)
        {
            DB2Page(ds.Tables[0]);
        }


        protected void DB2Page(DataTable t, DataRow r)
        {
            //开始给文本框赋值
            for (int i = 0; i < t.Columns.Count; i++)
            {
                SetControlValue(t.Columns[i].ColumnName, r[t.Columns[i].ColumnName]);
            }
        }

        protected void DB2Page(SqlDataReader r)
        {
            for (int i = 0; i < r.FieldCount; i++)
            {
                SetControlValue(r.GetName(i), r[i]);
            }
        }

        protected void DB2Page(DataTable t)
        {
            //开始给文本框赋值
            if (t.Rows.Count < 1) return;
            DataRow r = t.Rows[0];
            DB2Page(t, r);
        }

        /// <summary>
        /// 具体绑定控件
        /// </summary>
        /// <param name="ControlName">控件名</param>
        /// <param name="Value">绑定的值</param>
        private void SetControlValue(string ControlName, object Value)
        {
            Control c = FindControl(ControlName);
            if (c == null) return;

            if (c.GetType().Name == "TextBox")
            {
                System.Web.UI.WebControls.TextBox edt = (System.Web.UI.WebControls.TextBox)c;
                if (c.ID.Substring(0, 4) == "fdbl")
                {
                    edt.Text = TrimNum(Value.ToString());
                }
                else if (c.ID.Substring(0, 4) == "fmny")
                {
                    if (Value.ToString() == "") edt.Text = "0.00";
                    else edt.Text = string.Format("{0:F2}", Convert.ToDouble(Value.ToString()));
                }
                else
                {
                    edt.Text = Value.ToString();
                }
            }

            if (c.GetType().Name == "DropDownList")
            {
                System.Web.UI.WebControls.DropDownList edt = (System.Web.UI.WebControls.DropDownList)c;
                edt.SelectedValue = Value.ToString();
            }

            if (c.GetType().Name == "CheckBox")
            {
                System.Web.UI.WebControls.CheckBox edt = (System.Web.UI.WebControls.CheckBox)c;
                edt.Checked = Convert.ToBoolean(Value.ToString());
            }

            if (c.GetType().Name == "GMDatePicker")
            {
                GrayMatterSoft.GMDatePicker edt = (GrayMatterSoft.GMDatePicker)c;
                edt.DateString = Value.ToString();
            }

        }

        /// <summary>
        /// 去除小数点后多余的小数 0
        /// </summary>
        /// <param name="a"></param>
        /// <returns></returns>
        private string TrimNum(string a)
        {
            if (a == "" || a == "0") return "0";
            if (a.IndexOf(".", 0, a.Length) < 0) return a;


            for (int i = a.Length; i >= 0; i--)
            {
                if (a.Substring(i - 1, 1) == "0")
                    a = a.Substring(0, i - 1);
                else
                    break;
            }

            if (a.Substring(a.Length - 1, 1) == ".")
                a = a.Substring(0, a.Length - 1);

            return a;
        }
        #endregion



    上面的代码,只是一个将DataSet自动绑定到textbox上去的一个简单的列子。
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  • 原文地址:https://www.cnblogs.com/yunxizfj/p/1094709.html
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