画布（如下代码）创建后，怎样获取？

A . 在05行后增加dc.ExtendedProperties["Total"] = "Price *Quantity”; B . 在05行后增加dc.Expression = “Prince * Quantity”; C . 为DataTable的TableNewRow 写事件处理代码来更新Total 的值。 D . 为DataTable的ColumnChanged写事件处理代码来更新Total 的值。

A . 在IIS里，拒绝匿名访问。 B . 在Web.config文件，设置允许模拟身份（enable impersonation）。 C . 在IIS里，允许匿名访问。 D . 在Web.config文件，设置不允许模拟身份（disable impersonation）。 E . 在Web.config文件，设置验证模式为Windows。

A .https://assets.asklib.com/images/image2/201807271120397813.jpg B .https://assets.asklib.com/images/image2/2018072711204398393.jpg C .https://assets.asklib.com/images/image2/2018072711204937946.jpg D .https://assets.asklib.com/images/image2/201807271120532309.jpg

A .https://assets.asklib.com/images/image2/2018072709032054940.jpg B .https://assets.asklib.com/images/image2/2018072709032320398.jpg C .https://assets.asklib.com/images/image2/2018072709032754556.jpg D .https://assets.asklib.com/images/image2/2018072709033070639.jpg

A . <%@ Page Language="C#" Theme="article"%> B . <%@ Page Language="C#" MasterPageFile="~/article.master"%> C . <%@ Page Language="C#" ie:MasterPageFile="~/article.master"%> D . <%@Page Language="C#" all:MasterPageFile="~/article.master"%&gt

A . 4 B . 3 C . 2 D . 1

A . XmlDocument doc = new XmlDocument();doc.Load("subscribers.xml");XmlDeclaration xmldecl = doc.CreateXmlDeclaration("encoding", "Unicode"); B . XmlDocument doc = new XmlDocument();doc.Load("subscribers.xml"); XmlDeclaration xmldecl = doc.CreateXmlDeclaration("1.0", null, "yes"); C . XmlDocument doc = new XmlDocument(); doc.Load("subscribers.xml"); XmlDeclaration xmldecl = doc.CreateXmlDeclaration("1.0", "Unicode", "yes"); D . XmlDocument doc = new XmlDocument(); doc.Load("subscribers.xml"); XmlDeclaration xmldecl = doc.CreateXmlDeclaration("1.0", "Unicode")

A . object customerCount = cmd.ExecuteScalar(); lblCompanyName.Text =customerCount.ToString(); B . int customerCount = cmd.ExecuteNonQuery(); lblCompanyName.Text =customerCount.ToString(); C . SqlDataReader dr = cmd.ExecuteReader(); dr.Read(); lblCompanyName.Text =dr[0].ToString(); D . SqlDataReader dr = cmd.ExecuteReader(); dr.Read(); lblCompanyName.Text = dr.ToString()

A . Access Data Source B . Localize C . Import Catalog Part D . Substitutio

A . Nipnet.EPI B . XiajiPass.Txt C . Nipsetup.exe D . NipLocal.sql

A．beginPath() B．moveTo(number x, number y) C．lineTo(number x, number y D．quadraticCurveTo(number cpx, number cpy, number x, number y)

A．变多了 B．变少了 C．不变

A．3 B．4 C．5 D．6

是 否

<img src='https://img2.soutiyun.com/shangxueba/ask/64182001-64185000/64184442/ef564eb198ca54db060a143354ec2a9f.jpg' /> A. object customerCount = cmd.ExecuteScalar(); lblCompanyName.Text =customerCount.ToString(); B. int customerCount = cmd.ExecuteNonQuery(); lblCompanyName.Text =customerCount.ToString(); C. SqlDataReader dr = cmd.ExecuteReader(); dr.Read(); lblCompanyName.Text =dr[0].ToString(); D. SqlDataReader dr = cmd.ExecuteReader(); dr.Read(); lblCompanyName.Text = dr.ToString();

A．获取的文本放到str数组中 B．遇到‘*’时，停止读入文本，同时‘*’被从流中取出丢掉 C．系统在str数组的最后一个字符后面自动添加’\0’ D．空格字符可以正常读取

最近，您创建了一个应用程序，包括如下所示的代码。public delegate string GetFileContentsDel ();public string GetFileContents () {//Process file and return results}现在，您需要以异步方式调用 GetFileContents 方法。您必须确保您用来调用 GetFileContents 方法的代码将继续处理其他用户的说明，并显示结果，尽快完成的 GetFileContents 方法的处理。你应该做什么？（） A.<img src='https://img2.soutiyun.com/shangxueba/ask/17130001-17133000/17130739/42745498c520eb9649b0f8941653a71d.jpg' /> B.<img src='https://img2.soutiyun.com/shangxueba/ask/17130001-17133000/17130739/2fff689d5244635e3b7dc865ae6d6055.jpg' /> C.<img src='https://img2.soutiyun.com/shangxueba/ask/17130001-17133000/17130739/ef8d660dd56a8a4713b4967eec246cfa.jpg' /> D.<img src='https://img2.soutiyun.com/shangxueba/ask/17130001-17133000/17130739/d307370a5a33a89439f1aa2e38a8caf7.jpg' />

A．dpi B．facecolor C．figsize D．num