在使用DEV XtraGrid的gridControl或DataGridView中，里面栏目的设置比较麻烦。DEV XtraGrid控件中实现界面动态修改列显示问题也成为众多开发者面临的难题，经过反复研究找出一种简单的解决方法。大致思路如下：定义一个和表结构类似的XML文件，保存表字段的显示标题、是否显示、宽度等信息，在GridControl显示的时候，直接读取这些信息。再在工具条中加上栏目设置的功能。

具体实现步骤：

1. 当然使用传说中的CodeSmith生成XML文件，CodeSmith模板代码如下：
<%@ CodeTemplate Language="C#" TargetLanguage="text" ResponseEncoding="UTF-8" Description="Generates a update stored procedure." %>
<%@ Property Name="SourceDatabase" Type="SchemaExplorer.DatabaseSchema" Category="Context" Description="Database that the documentation should be based on." %>
<%@ Property Name="Author" Type="System.String" Default="Pantao" Optional="False" Category="Description" Description="About Author" %>
<%@ Assembly Name="SchemaExplorer" %>
<%@ Import Namespace="SchemaExplorer" %>
<script runat="template">
public string GetSqlParameterStatement(ColumnSchema column)
{
      string param = "";
 
      switch (column.DataType)
      {
            case DbType.Decimal:
            {
                  param += "(" + column.Precision + ", " + column.Scale + ")";
                  break;
            }
   case DbType.Boolean:
   case DbType.Int32:
   case DbType.DateTime:
   case DbType.Double:
   case DbType.Single:
   case DbType.Byte:
   case DbType.Int64:
   case DbType.Int16:
   
   break;
            default:
            {
                  if (column.Size > 0)
                  {
                        param += "(" + column.Size + ")";
                  }
                  break;
            }
      }
 
      return param;
}
</script>
<% TableSchemaCollection tables = new TableSchemaCollection(SourceDatabase.Tables); %>
DataBase(Tables:<% =tables.Count.ToString() %>)
Author:<% =Author %>  Date:<% =DateTime.Now.ToShortDateString() + " " + DateTime.Now.ToShortTimeString() %>
<% for(int i=0; i<tables.Count; i++) { %>
<% =i + 1 + "." %>TableName:【<% =tables[i].Name %>】
 <% for(int k=0; k<tables[i].Columns.Count; k++) { %>
 (<% = k + 1 %>). <% =tables[i].Columns[k].Name %>  <% if (tables[i].Columns[k].IsPrimaryKeyMember) {%>Primary<% } %> <% =tables[i].Columns[k].NativeType + GetSqlParameterStatement(tables[i].Columns[k]) %> <% if(tables[i].Columns[k].AllowDBNull) { %>AllowNull<% } %>
 <% ="[Description:]" + tables[i].Columns[k].Description %>
 <% } %>
<% } %>
生成的XML文件格式如下：
<?xml version="1.0" standalone="yes"?>
<xml>
  <GridView>
    <Caption>編號</Caption>
    <FieldName>ID</FieldName>
    <ColumnName>gridColumn1</ColumnName>
    <Visible>false</Visible>
    <VisibleIndex>-1</VisibleIndex>
    <Fixed>None</Fixed>
    <Width>20</Width>
    <ColumnEdit />
  </GridView>
  <GridView>
    <Caption>紗線名稱</Caption>
    <FieldName>YarnName</FieldName>
    <ColumnName>gridColumn2</ColumnName>
    <Visible>true</Visible>
    <VisibleIndex>1</VisibleIndex>
    <Fixed>Left</Fixed>
    <Width>200</Width>
    <ColumnEdit />
  </GridView>
....................................
</xml>
读取xml文件，转换为gridControl中Column格式的方法：
public static void SetGridView(DevExpress.XtraGrid.Views.Grid.GridView gridView, string xmlFile)
        {
            gridView.Columns.Clear();
            DataSet ds = new DataSet();
            ds.ReadXml(xmlFile);
            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
            {
                DevExpress.XtraGrid.Columns.GridColumn gridCoulumn = new DevExpress.XtraGrid.Columns.GridColumn();
                gridCoulumn.Caption = ds.Tables[0].Rows[i]["Caption"].ToString();
                gridCoulumn.FieldName = ds.Tables[0].Rows[i]["FieldName"].ToString();
                gridCoulumn.Name = ds.Tables[0].Rows[i]["ColumnName"].ToString();
                gridCoulumn.VisibleIndex = int.Parse(ds.Tables[0].Rows[i]["VisibleIndex"].ToString());
                gridCoulumn.Visible = ds.Tables[0].Rows[i]["Visible"].ToString().ToLower() == "true" ? true : false;
                if (!gridCoulumn.Visible)
                {
                    gridCoulumn.VisibleIndex = -1;
                }
                gridCoulumn.Width = int.Parse(ds.Tables[0].Rows[i]["Width"].ToString());
                switch (ds.Tables[0].Rows[i]["Fixed"].ToString().ToLower())
                {
                    case "none":
                        gridCoulumn.Fixed = DevExpress.XtraGrid.Columns.FixedStyle.None;
                        break;
                    case "left":
                        gridCoulumn.Fixed = DevExpress.XtraGrid.Columns.FixedStyle.Left;
                        break;
                    case "right":
                        gridCoulumn.Fixed = DevExpress.XtraGrid.Columns.FixedStyle.Right;
                        break;
                }
                if (ds.Tables[0].Rows[i]["ColumnEdit"].ToString() == "RepositoryItemLookUpEdit")
                {
                }
                gridView.Columns.Add(gridCoulumn);
            }
        }
================
在窗体绑定数据之前，设定窗体的栏目：YarnNew.Classes.Common.SetGridView(gridView1, xmlFile);
栏目设置的部分代码：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace YarnNew
{
    public partial class FrmColumnSetup : YarnNew.FrmBase
    {
        public FrmColumnSetup()
        {
            InitializeComponent();
            FixShow();
        }
        public delegate void RefreshEventHandler();
        public event RefreshEventHandler RefreshData;
        DataSet ds = new DataSet();
        private string xmlFile;
        public string XmlFile
        {
            set { xmlFile = value; }
            get { return xmlFile; }
        }
        private void FixShow()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("FixShow", typeof(string));
            dt.Columns.Add("FixName", typeof(string));
            DataRow dr1 = dt.NewRow();
            dr1[0] = "无设置";
            dr1[1] = "None";
            dt.Rows.Add(dr1);
            DataRow dr2 = dt.NewRow();
            dr2[0] = "固定左边";
            dr2[1] = "Left";
            dt.Rows.Add(dr2);
            DataRow dr3 = dt.NewRow();
            dr3[0] = "固定右边";
            dr3[1] = "Right";
            dt.Rows.Add(dr3);
            repositoryItemLookUpEdit1.DataSource = dt;
        }
        private void FrmColumnSetup_Load(object sender, EventArgs e)
        {
            ds = new DataSet();
            ds.ReadXml(xmlFile);
            DataTable dt = ds.Tables[0].Copy();
            dt.Columns.Add("BoolVisible", typeof(bool));
            //dt.Columns.Add("IntVisibleIndex", typeof(int));
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                dt.Rows[i]["BoolVisible"] = dt.Rows[i]["Visible"].ToString().ToLower() == "true" ? true : false;
                //dt.Rows[i]["IntVisibleIndex"] = int.Parse(dt.Rows[i]["VisibleIndex"].ToString());
            }
            gridControl1.DataSource = dt;
        }
        private void sbSave_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
            {
                ds.Tables[0].Rows[i]["Caption"] = gridView1.GetRowCellDisplayText(i, gridView1.Columns["Caption"]);
                ds.Tables[0].Rows[i]["Visible"] = gridView1.GetRowCellValue(i, gridView1.Columns["BoolVisible"]).ToString().ToLower();
                ds.Tables[0].Rows[i]["VisibleIndex"] = gridView1.GetRowCellValue(i, gridView1.Columns["VisibleIndex"]).ToString();
                ds.Tables[0].Rows[i]["Fixed"] = gridView1.GetRowCellValue(i, gridView1.Columns["Fixed"]).ToString();
                ds.Tables[0].Rows[i]["Width"] = gridView1.GetRowCellValue(i, gridView1.Columns["Width"]).ToString();
            }
            ds.WriteXml(xmlFile);
            if (RefreshData != null)
            {
                RefreshData();
            }
            this.Close();
        }
    }
}

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