public static void BindTable(IDialogVisualizerService windowService, MDataTable dt, string title)
{
if (dt == null)
{
return;
}
if (string.IsNullOrEmpty(title))
{
title = string.Format("TableName : {0} Rows： {1} Columns： {2}", dt.TableName, dt.Rows.Count, dt.Columns.Count);
}
Form form = FormCreate.CreateForm(title);
DataGridView dg = FormCreate.CreateGrid(form);
try
{
if (dt.Rows.Count > 200)
{
dt = dt.Select(200, null);
}
//插入行号
dt.Columns.Insert(0, new MCellStruct("[No.]", System.Data.SqlDbType.Int));
for (int i = 0; i < dt.Rows.Count; i++)
{
dt.Rows[i][0].Value = i + 1;
}
dt.Bind(dg);
AutoSizeColumn(dg);
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
windowService.ShowDialog(form);
}
private void LoadData()
{
MDataRow row;
using (MAction action = new MAction(tableName))
{
row = action.Data;
dt = action.Select(Pager.PageIndex, Pager.PageSize, "order by " + action.Data.PrimaryCell.ColumnName + " desc");
OutDebugSql(action.DebugInfo, true);
dt.Columns["UserID"].Description = "用户标识";//增加这一行，是想说明：Winform下通过修改描述可以改变显示的列名
}
using (MAction action = new MAction(row))
{
}
if (dt != null && dt.Rows.Count > 0)
{
if (txtUserID.Text == "")
{
dt.Rows[0].SetToAll(this);
}
}
// dgView.DataSource = dt.ToDataTable();
//
dt.Bind(dgView);
Pager.DrawControl(dt.RecordsAffected);
}
//protected override void BeforeInvoke(string methodName)
//{
// if(methodName=="About")
// {
// Write("非法请示");
// CancelInvoke = true;
// CancelLoadHtml = true;
// }
// base.BeforeInvoke(methodName);
//}
#region Controller方法
public override void Default()
{
if (IsHttpGet)
{
InitData();
MDataTable utTable = null;
using (UserType ut = new UserType())
{
utTable = ut.Select();
}
// View.OnForeach += new XHtmlAction.SetForeachEventHandler(View_OnForeach);
// utTable.Bind(View);//取usertypeView或defaultView节点。
utTable.Bind(View, "ddl" + utTable.TableName);//绑定下拉框，指定节点名称。（用表名，是为了不写死ddlUserType）
MDataTable dt;
//UI 操作View
using (Users demo = new Users())
{
if (demo.Fill())
{
demo.UI.SetToAll(View);
View.LoadData(demo, "");
}
Pager pager = new Pager(View);
//demo.SetSelectColumns("id", "count(id) as c");
//dt = demo.Select(2, 3);
dt = demo.Select(pager.PageIndex, pager.PageSize);
pager.Bind(dt.RecordsAffected);//绑定分页控件。
}
#region 表关联
dt.JoinOnName = "UserType";
dt.Conn = Connection.XmlConn;//这里玩的花了一点（Users表是txt数据库，UserType是xml数据库）
dt = dt.Join("UserType", "ID", "TypeName");
#endregion
View.OnForeach += new XHtmlAction.SetForeachEventHandler(View_OnForeach); //formater
dt.Bind(View); //取UsersView或defaultView节点。
}
//if (IsHttpPost)
//{
// BtnEvent();
//}
//View 操作 UI
//View.LoadData(ut.Select<UserType>());
//View.SetForeach();
// View.LoadData(dt.Rows[dt.Rows.Count - 1], "txt");// 自动格式化标签。
//View.LoadData(dt);//装载数据
//
//View.SetForeach("divView2", SetType.InnerXml);
//View.SetForeach("divView3", "自定义：{0} -${Name} -{2}<br />");
}
void LoadData()
{
using (MAction action = new MAction("Users"))
{
dt = action.Select();
}
// dt.Columns[0].Description = "用户ID";
// dt.Columns[1].Description = "用户名";
dt.Bind(dgvTable);
OutProperty();
}
private void btnGetUpdate_Click(object sender, EventArgs e)
{
MDataTable dt2 = dt.GetChanges();
if (dt2 != null && dt2.Rows.Count > 0)
{
dt2.Bind(dgvTable);
}
else
{
rtxtText.Text = "没有修改的数据！";
}
}
private void btnCreateData_Click(object sender, EventArgs e)
{
MDataTable dt = new MDataTable("MyTable");
dt.Columns.Add("ID", SqlDbType.Int, true, false, 11, true, null);
dt.Columns.Add("Name");
dt.Columns.Add("Password");
mdc = dt.Columns;
for (int i = 0; i < 10; i++)
{
dt.NewRow(true).Set(0, i + 1).Set(1, "Name" + i).Set(2, i);
}
dt.Bind(dgvData);
}
private void btnSetOrdinal_Click(object sender, EventArgs e)
{
//把第二位的列移前
mdc.SetOrdinal(mdc[1].ColumnName, 0);
if (mdc.Table != null && mdc.Table.Rows.Count > 1)
{
new MDataTable().Bind(dgvData);
MDataTable dt = mdc.Table.Clone();
dt.Bind(dgvData);
}
else
{
mdc.ToTable().Bind(dgvData);
}
}
private void btnTransation_Click(object sender, EventArgs e)
{
//for (int i = 0; i < 100; i++)
//{
MDataTable dt = null;
string guid = Guid.NewGuid().ToString();
using (MAction action = new MAction("Users"))
{
bool result = false;
action.SetTransLevel(IsolationLevel.ReadCommitted); //可设置的事务级别，一般可以不用设置
action.BeginTransation(); //设置开启事务标识
action.Set("Name", guid.Substring(1, 5));
action.Set("Password", "123456");
int id = 0;
if (action.Insert()) //第一个执行时，事务才被加载
{
id = action.Get <int>(0);
action.ResetTable("Article");
action.Set("UserID", id);
action.Set("Title", guid.Substring(3, 5));
action.Set("Content", guid.Substring(5, 5));
action.Set("PubTime", DateTime.Now);
result = action.Insert(InsertOp.None);
}
else
{
action.RollBack(); //手工回滚
}
action.EndTransation(); //提交事务
if (result)
{
LoadData("UserID=" + id);
}
OutSql(action.DebugInfo);
}
if (dt != null)
{
dt.Bind(dgvView);
}
//}
}
private void btnShowInfo_Click(object sender, EventArgs e)
{
StringBuilder sb = new StringBuilder();
MDataTable dt = null;
using (MAction action = new MAction("Article"))
{
sb.Append("AllowInsertID:");
sb.AppendLine(action.AllowInsertID.ToString());
sb.Append("ConnectionString:");
sb.AppendLine(action.ConnectionString);
sb.Append("DalType:");
sb.AppendLine(action.DalType.ToString());
sb.Append("DalVersion:");
sb.AppendLine(action.DalVersion);
sb.Append("DebugInfo:");
sb.AppendLine(action.DebugInfo);
sb.Append("RecordsAffected:(通常在执行一个命令后，返回受影响的行数)");
sb.AppendLine(action.RecordsAffected.ToString());
sb.Append("TableName:");
sb.AppendLine(action.TableName);
sb.Append("TimeOut:");
sb.AppendLine(action.TimeOut.ToString());
sb.Append("UI对象:");
sb.AppendLine(action.UI.ToString());
dt = action.Data.Columns.ToTable();
}
dt.Bind(dgvView);
rtxtSql.Text = sb.ToString();
}
public void LoadData()
{
dt = BH.GetNovels();
dt.Bind(dgvList);
}
