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  • 1 # 使用者5933125843701

    protected void ddlColor_SelectedIndexChanged(object sender, EventArgs e)

    {

    if (this.ddlColor.SelectedValue == "紅色")

    {

    this.txtMsg.ForeColor = Color.Red;//字型顏色

    this.txtMsg.Font.Name= "仿宋_GB2312";//設定字型

    this.txtMsg.Font.Size = FontUnit.Point(12);//字型大小

    }

    else if (this.ddlColor.SelectedValue == "黑色")

    {

    this.txtMsg.ForeColor = Color.Black;

    this.txtMsg.Font.Size = FontUnit.Point(15);

    this.txtMsg.Font.Name = "華文新魏";

    }

    else if (this.ddlColor.SelectedValue == "藍色")

    {

    this.txtMsg.ForeColor = Color.Blue;

    this.txtMsg.Font.Size = FontUnit.Point(20);

    this.txtMsg.Font.Name = "方正舒體";

    }

    else if (this.ddlColor.SelectedValue == "綠色")

    {

    this.txtMsg.ForeColor = Color.Green;

    this.txtMsg.Font.Size = FontUnit.Point(25);

    this.txtMsg.Font.Name = "方正姚體";

    }

    }

    注意:設定DropDownList 的AutoPostBack為true;

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